THE HUMAN BODY

The human body

¿Do you want to know what we are like on the inside

START

BEGINNING

Introduction

Subjet 1

Subjet 2

Subjet 3

Quiz

Bibliography

INTRODUCCIÓN

The human body are divides in 3 parts which parts are those?

The human body

HEAD

Face
Skull

Trunk

Torax
Abdomen

Upper Limbs

Arms
Forearms
Hands

Lower limbs

Thigh
Legs
Feet

Actividad Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.

Human body systems

apparatus

¿Cuáles son algunos de los sistemas y aparatos que componen el cuerpo humano?

1. Organ Systems

Nervious System

Inmune System

Respiratory System

Skeletal System

Circulatory System

Digestive System

Muscular System

The human body consists of several organ systems. Each system is made up of organs and other bodily structures that work together to perform a specific function. The combination of all these systems (or sets of systems, called apparatuses) will result in the complete organism.

Inside our body, there are bones. They are rigid, hard, and they connect to each other through joints. The collection of all the bones forms the skeleton, which is responsible for supporting the weight of our body.

The muscles are under the skin, they cover the skeleton and shape our body. They are soft and elastic: they can shrink and stretch. In this way, they pull the bones and allow us to move our body.

We need the oxygen from the air to live, it's something our body does involuntarily through the respiratory system.

We need to eat so that food provides energy to the whole body and discard the excess. The digestive system is the one that performs this work called digestion. It will be responsible for extracting the nutrients and transferring them to the circulatory system to distribute them to all parts of the body.

The nervous system is a complex set of cells responsible for directing, supervising and controlling all the functions and activities of our organs and body in general. Most living beings, as well as human beings, have nervous systems. However, there are organisms that do not have it, such as protozoa and poriferans.

It is responsible for bringing oxygen, nutrients and hormones to cells and eliminating waste such as carbon dioxide.

The immune system is the body's natural defense against infections, such as bacteria and viruses. Through a well-organized reaction, your body attacks and destroys the infectious organisms that invade it. These foreign bodies are called antigens.

What are made the bones ?

1.1. The Skeletal System

The skeleton is the organized set of all our bones. The human body has more than two hundred bones whose function is to support and shape our body, protect important organs (such as the skull that protects the brain and the rib cage that protects our heart and lungs), and also participate in our movement (such as the bones of the arms and legs)

Red bone marrow and yellow bone marrow are housed in the bone. The red bone marrow is responsible for making red blood cells (responsible for carrying oxygen to the cells), white blood cells (they defend us from infections) and blood platelets (they prevent bleeding when we have a wound). It is found in the small spaces between the spongy bone tissue. Yellow bone marrow is also called marrow. It is a fatty tissue located inside the longest bones of our body.

Bones are made up of cells called osteoblasts and osteoclasts. These allow them to perform three functions: growth, remodeling and repair, since bone is a tissue in permanent activity. They also contain a substance present in food, called ossteine.

The bones are alive! You know why? Because they constantly generate bone tissue. In addition, if we look at the composition, on the outside, the bones are hard and compact, it is the part formed by calcium and phosphorus. Inside, however, they are empty except for the limb bones that contain a multitude of holes and look like a sponge. The set of bones makes up the skeleton, which in adults consists of 206 bones.

1.1.1. Joints

Joints Rotation

Hinge

Spherical

A joint is the union of two or more bones. Some joints can move and others cannot. Fixed or immobile joints are, as the name implies, fixed in place and do not move at all. The skull has some such joints (called sutures), which close the bones that protect the brain. Movable joints are those that allow you to turn, bend, and move different parts of your body. Some movable joints move only a little and others move a lot. There are 2 types of movable joints: hinged joints and ball joints

Well, the joints have a fluid called synovial fluid that helps them move freely. With movement, the bones are held together to the joints by ligaments, which are very strong 'elastic bands' that allow our body to be flexible.

The elbows and knees are hinged joints, which allow you to bend and straighten your arms and legs. These joints are like the hinges of a door. Just as most doors can only open in one direction, you can only bend your arms and legs in one direction. You also have many smaller hinged joints on your fingers and toes.

You can find them on the shoulders and hips and are formed by the rounded end of a bone that fits into the hollow of another bone. The ball joints allow for a wide variety of movements in all directions.

1.2. Muscular System

Did you know that the butt muscle is the largest muscle in the body and is called the gluteus maximus?

Do you play basketball, dance, and run in the yard? Then your muscles are active! All these movements are achieved thanks to the stretching of those hard tissues called muscles. Muscle tissue has the ability to shorten (contract) so that it can move the bone to which it is attached. Some muscles work without thinking, such as our heartbeat, while other muscles are controlled by our thoughts and allow us to move. All of our muscles together make up the body's muscular system.

There are more than 650 muscles in the human body... But where are they hiding? They are under our skin and cover our bones. Muscles often work together to help us move. We don't have to think about moving each individual muscle, simply if we think about running, our body does the rest and activates the muscles automatically.

1.2.1. Skeletal muscles

How muscles work ?

The more you use a muscle, the stronger it becomes, this is called muscle memory

These muscles are responsible for all our movements and are attached to the bones. Where can they be found? On the eyeball or tongue and they work voluntarily, that is, you can control their movement. They can also be called 'striped muscles' because they are made up of dark and light fibers and look striped

Memoria muscular y ejercicio Cuando practicamos una acción una y otra vez, conseguimos lo que se llama memoria muscular. Esto nos permite ser más hábiles en ciertas actividades, como deportes o música. A medida que practicamos, nuestros músculos se afinan para ser más precisos en sus movimientos y hacer exactamente lo que nuestro cerebro quiere que hagan. Además, gracias a la práctica de ejercicio habitual, trabajamos nuestros músculos para que se vuelvan más fuertes y flexibles. Si no usamos nuestros músculos, pueden atrofiarse o encogerse y debilitarse. Así que recuerda, ¡no pares de moverte!

Muscles work by expanding and contracting. They have long, thin cells that clump together. When a muscle receives a signal from its nerve, energy is released to contract the muscle or relax it. When the muscle contracts, it pulls the bones closer to it. Many of our muscles come in pairs. An example of this is the biceps and triceps in our arms. When the biceps contract, the triceps will relax, this allows our arm to bend. When we want to straighten the arm, the biceps will relax and the triceps will contract. Pairs of muscles allow us to move back and forth.

1.2.2. Other types of muscles

Skeletal muscles are not the only type of muscle in the body. There are three types of muscles: voluntary or skeletal, involuntary or smooth, and cardiac or myocardium, which are differentiated by the cells that compose them and the function they perform. However, there are other muscle classifications, depending on their shape, function, and movements performed. According to their dimensions and shapes, muscles are classified into; long, short, obicular and wide.

Heart muscle or myocardoi

Plain muscles

The fastest contracting body muscle is the orbicularis of the eyelids, as it reacts in less than a hundredth of a second.

This is a special muscle found in the heart and is responsible for pumping all the blood in our body. Did you know that the heart muscle beats (at rest) about 70 times per minute?

Smooth muscles are muscles that are connected to the walls of some organs and control their movement. These muscles work involuntarily, without us having to think about them.

1.3. Respiratory System

Your lungs are important for breathing... and also for speaking

If you think of one action you do every day, every hour, and every second, what would it be? Breathe. This is done by our respiratory system, which is made up of the lungs and trachea. And why is it necessary to breathe? to bring clean air, oxygen to our blood, nourish cells with this vital component that provides them with energy and eliminate CO2 (carbon dioxide) that contains waste.

Nostrils They are the holes in our nose through wich we get clean air .

Pharynx It is the tube that connects the esophagus to the pharynx.

Trachea It is the tube that connects the larynx to the bronchi.

Bronchi They are responsible for conducting air from the trachea to the lungs.

Larynx The larynx has the vocal cords inside, which are the ones that allow us to speak through the vibration emitted by the air waves.

When we breathe, what is the path that air takes? It enters through the nose or mouth where it is cleaned, passes through the pharynx, larynx and trachea. It then divides in two as it passes through the bronchi and finally reaches the lungs that do the gas exchange process and expels carbon dioxide. Breathing is a process that takes place in two phases: Inhalation: It consists of the entry of air into the lungs. The diaphragm contracts and the lungs increase in size as they fill with oxygen. Exhale: It consists of the exit of air from the lungs (carbon dioxide). The diaphragm and lungs return to their natural position.

Bronchioles and Alvéoli Each primary bronchus branches into other ducts or bronchi, which become smaller and smaller like the branches of a large tree. The smallest tubes are called bronchioles, and there are about 30,000 in each lung. Each bronchiole is about the same thickness as a hair. At the end of each bronchiole is a special area that leads to very small groups of air sacs called alveoli. There are about 600 million alveoli in your lungs and if you put them all together, they would cover an entire tennis court. That's a lot of alveoli! Each alveolus is covered by a kind of mesh of very small blood vessels, called capillaries. These capillaries are so small that blood cells need to line up to pass through them.

Diaphragm The diaphragm, which is located below the lungs, is the main muscle of breathing. It is a long, dome-shaped muscle that contracts rhythmically and continuously and, most of the time, involuntarily. On inhalation, the diaphragm contracts and flattens and the chest cavity widens. This contraction creates a vacuum that sucks air into the lungs. On exhalation, the diaphragm relaxes and resumes its dome shape and air is expelled from the lungs.

Vocal Cords Above the trachea is the larynx, which is sometimes called the glottis (voice box). On the other side of the glottis are two small ridges called vocal cords, which open and close to make sounds. When you exhale air from your lungs, it passes through your windpipe and larynx and into your vocal cords. If these are closed and air flows between them, the vocal cords vibrate and produce sound. The amount of air you expel from your lungs determines how loud the sound will be and how long you can make it. Try to take a very deep breath and say the names of all the children in your class. How long can you hold without having to breathe again? The next time you're out, try yelling and seeing what happens. Shouting takes a lot of air, so you'll need to breathe in more frequently than you would if you just spoke the words. Experiment with different sounds and the air needed to produce them: when you laugh, you expel

The heart

1.4. Circulatory System

The cardiovascular system is responsible for distributing nutrients throughout the body. It also transports carbon dioxide from the entire body to the heart and lungs to be eliminated through breathing. The three main components of the cardiovascular system are the heart, blood vessels, and blood.

The Heart The heart is an organ about the size of your fist that sits in your ribcage just to the left of your chest. It is made up of many muscles that pump blood to all parts of our body and also has four sets of valves that are responsible for keeping blood from backing up. The heart has two main pumps. One sends blood throughout the body, while the other sends blood from the veins to the lungs to leave carbon dioxide as waste and pick up more oxygen. Do you know how much our heart beats per minute? Although the heart beats at different rates depending on the movement of the body, in a resting state it is capable of beating, involuntarily, about 70-80 times per minute.

Blood Vessels Blood vessels are tubes that we have around our body and that are responsible for transporting blood. There are two types of blood vessels: arteries and veins. Arteries carry blood from the heart to the rest of the body. They have to be thick and strong as there is more pressure on them from the heart. Do you notice your pulse? That movement is generated by an artery. The veins carry used blood back to the heart. They don't need to be as thick.

The blood Blood is what keeps the rest of our body alive by transporting nutrients and oxygen to the cells, so it must be continuously pumped by the heart to reach the entire body. Blood is made up of: Red blood cells, which carry oxygen and are what give it the red color. White blood cells, which are responsible for preventing infection by eliminating germs and keeping the blood clean. Platelets, which help blood clot when cut and wounds heal. All of these cells float in an aqueous substance called plasma.

Aorta The aorta is the main artery of the human body and therefore the most important. It leaves the heart and, thanks to its branches, transports blood and oxygen to all organs.

Circulation The blood is constantly circulating in the same direction and continuously throughout our body, without stopping, so that all the organs function correctly. As it travels through our body, it picks up nutrients from the food we eat and deposits them in the cells that need them. In addition, it takes oxygen from our lungs and deposits it in the cells to be used as energy. A final function of the blood is to store the waste carbon dioxide from the cells and deposit it in the lungs so that we can exhale again.

1.5. Digestive system

Etapas del aparato digestivo

Our body needs food to be able to have energy, vitamins and minerals. However, in order for the body to make use of food, it must first break it down into substances that the various organs and cells can process. This is the job of our digestive system. Almost all animals have a tube-like digestive system where food enters through the mouth, passes through a long tube, and exits the body in the form of feces (poop) through the anus.

Mouth The mouth is the first place where we take the food with which we are going to obtain energy. Here, we chew which is the first stage of the digestive system. In addition, thanks to the tongue and salivary glands, food mixes with saliva containing enzymes that allow the breakdown of starchy foods.

Esophagus The esophagus is the tube that connects the throat to the stomach. But we don't just use it as a conduit. Its walls emit rhythmic waves that cause food to descend correctly into the stomach.

Stomach The next stage is the stomach, where food is stored for 4 hours. There, enzymes work on it, breaking down proteins that the body will use to provide us with energy. In addition, the stomach is also responsible for eliminating harmful bacteria so that we do not get sick.

Small Intestine The first part of the small intestine works with juices from the liver and pancreas to continue breaking down our food. The second part is where food is absorbed from the intestine into our body through the blood.

Large Intestine The large intestine is the last part of the digestive process. It is divided into 4 parts: the cecum duct, colon, rectum and anus. Here comes the food that the body does not need or cannot use and then expels it as waste.

The digestive system is made up of 4 basic functions Ingestion: It is the process in which food is consumed, chewed, and crushed. During ingestion, the mouth and teeth work. Digestion: The moment when food is dissolved in the stomach to move on to the next process. Absorption: It is the process in which the nutrients it needs are extracted and sent, through the blood, to the rest of the body. This function is performed by the small intestine. Excretion: It is a function performed by the large intestine and consists of expelling from our body the part of that food that we do not need and therefore becomes waste.

Liver The liver has an essential function and that is to digest food proteins and store vitamins.

Pancreas The pancreas is responsible for generating enzymes that chemically break down proteins and fats so that they can be absorbed by the intestine. In addition, it is the organ responsible for regulating blood sugar levels.

THE SENSES

Nervious system

2. Nervous System

The nervous system is the set of cells responsible for interpreting information from our environment that capture the senses and emit a reaction, such as when we listen to music and dance, or a ball hits us and hurts. The cells that make up this system are called neurons, which put the necessary organs and apparatus into operation. The central nervous system is divided into two parts: the central nervous system and the peripheral nervous system.

Central nervous system This biological structure is only found in animals. It is made up of the brain (cerebrum, cerebellum, and medulla oblongata) and the spinal cord. They are protected by bony envelopes that are the skull and spine, and are responsible for transmitting stimuli from the outside world such as transmitting impulses to nerves and muscles.

Periferic nervous system It is made up of all the nerves that start from the central nervous system and branch out until they reach all parts of the body.

The nervous system have two types of movements:

Voluntary Movement: The brain sends an electrical stimulus to a muscle, and it moves according to the command. It can be when we see an appetizing apple and we pick it to eat it. Involuntary Movement: The cerebellum or bulb sends electrical impulses to the organs and they are put into operation. An example can be the beating heart, or breathing.

2.1. The Organs of the Senses

Senses

The human body has five main senses that it uses to transmit information about the outside world to the brain and helps it with other functions.

The eye or eyeball has different layers that protect it, such as the eyelids, lacrimal glands, eyelashes and eyebrows.

2.1.1. Sight (eyes)

Sight is one of the senses that help us gain insight into what's going on around us. The eyes are responsible for capturing light, which passes through the pupil, passes through the lens, reaches the retina (where the image is formed) and sends the information to the brain through the optic nerve

Why two eyeballs? With two eyeballs, our brain gets two slightly different images from different angles. Although we only "see" one image, the brain uses these two images to give us information about how far away something is. This is called depth perception.

2.1.2. Audition (ears)

We hear through our ears, which perceive sound waves and turn them into something our brain can understand. The sounds enter through the ear, travel through the ear canal and reach the eardrum, which vibrates. The movement of the eardrum is transmitted through the chain of ossicles and reaches the snail, which is responsible for sending information to the brain through the auditory nerve.

Why do i to get dizzy? The brain gets signals from the body to keep it balanced. One of them is the fluid found in the inner ear. When you spin too fast and then stop, the fluid in your ear (endolymph) keeps spinning, even though your eyes and body have stopped moving, so your brain gets confused and you feel dizzy. The brain also uses your eyes and sense of touch to get information about your balance.

2.1.3. Olfato (nariz)

La nariz es el órgano por el cual penetran todos los olores y está constituida por dos cavidades, las fosas nasales, separadas por un tabique. En la parte interna de la nariz se encuentra la verdadera responsable de captar los olores, la pituitaria. Una vez captado el olor, se envía por el nervio olfativo al cerebro, donde es interpretado.

2.1.4. Gusto (lengua)

El órgano receptor del gusto es la lengua, que cuenta con numerosas papilas gustativas. Las papilas gustativas reciben los sabores y le envían la información al cerebro por medio del nervio gustativo. Hay cuatro sensaciones gustativas que pueden reconocerse con facilidad: amargo, agrio, salado y dulce. Los científicos dicen que los sabores se pueden degustar desde casi cualquier parte de la lengua.

1. Epidermis

Capas de la piel

2. Dermis

3. Hipodermis

2.1.5. Tacto (piel)

El órgano sensorial del tacto es la piel. La mayoría de las sensaciones son percibidas por medio de los receptores del tacto, llamados corpúsculos, que están encerrados en cápsulas bajo la piel. Las funciones de la piel son la protección, el sentido del tacto y el control de temperatura.

La capa externa. Es la parte de tu piel que puedes ver. Está formada por capas de células.

Está debajo de la epidermis. No la puedes ver pero está formada por vasos sanguíneos, terminaciones nerviosas, glándulas sudoríparas y mucho más.

La capa más profunda. También se llama tejido subcutáneo. Es donde se encuentra nuestra grasa.

Epidermis

Dermis

Hipodermis

El sistema inmunológico

Tejidos, células y órganos

3. Sistema Inmunológico

El sistema inmunológico, que se compone de órganos, tejidos, proteínas y células especiales, a diario protege a las personas de los gérmenes y microorganismos. Este sistema nos mantiene saludables y previene infecciones y enfermedades, mediante una serie de pasos llamados ''respuesta inmune''.El sistema inmunológico se compone de una red de células, tejidos y órganos que trabajan en conjunto para proteger al cuerpo.

Respuesta Inmunológica

¿Quieres saber cómo funciona?

Sistema Inmune

Innata

Adquirida

Componentes celulares

Componentes humolares

Componentes celulares

Componentes humolares

1º Línea de Defensa

2º Línea de Defensa

Pasiva

interactúan

3.1. El Sistema Inmune

Todas las personas nacen con inmunidad innata (o natural), que es una forma de protección general. Hay tres tipos de inmunidad; innata, adquirida y pasiva, y las dos primeras interaccionan entre sí.

Específica Protege contra la re-exposición

No específica No necesita exposición previa al patógeno.

La inmunidad pasiva se “pide prestada” a otra fuente y dura poco tiempo. Por ejemplo, los anticuerpos de la leche materna inmunizan temporalmente al bebé contra las enfermedades a las que la madre estuvo expuesta.

3.2. Tejidos, células y órganos

Muchos órganos y tejidos del cuerpo juegan un papel importante en el sistema inmunitario. En conjunto, se suelen denominar tejidos u órganos linfáticos. Su función principal es producir y enviar linfocitos (un tipo de leucocitos) que atacan antígenos (proteínas y otras sustancias) incluidos dentro de otros invasores externos. Algunos también reconocen antígenos en el torrente sanguíneo y ordenan a los linfocitos que actúen.El sistema inmunitario está compuesto por una variedad de células con funciones diferentes y que interaccionan entre sí. Se pueden clasificar en dos grupos principales de respuesta específica e inespecífica.

Inmunidad Adaptativa

Inmunidad Innata

3.2.1. Células

El sistema inmunitario está compuesto por una variedad de células con funciones diferentes y que interaccionan entre sí. Se pueden clasificar en dos grupos principales de respuesta específica e inespecífica y se llaman fagocitos, basófilos, eosinófilos, mastocitos, y las células asesinas naturales. ¡Veámoslas!

La Inmunidad innata (también llamada natural o nativa) está constituida por mecanismos existentes antes de que se desarrolle la infección. Producen respuestas rápidas a los microorganismos. Los componentes principales son: Barreras físicas y químicas, células fagocíticas, células citocidas naturales y proteínas sanguíneas (principalmente el sistema del complemento).

La Inmunidad adaptativa (también llamada específica o adquirida) se estimula tras la exposición a agentes infecciosos. Discrimina entre diferentes microorganismos y los componentes principales son los linfocitos y sus productos.

Célula NK

Eusinófilo

Basófilo

Neutrófilo

Célula Dendrítica

Linfocito T-CD8+

Linfocito T-CD4+

Linfocito B

Linfocito T

Linfocito T gamma-delta

Macrófago

3.2.2. Órganos del Sistema Inmunológico

Funcionalmente los órganos del sistema inmune se dividen en dos categorías; primarios o centrales, y secundarios o periféricos. Los órganos del sistema inmune a excepción del timo, también constituyen el llamado sistema linfático periférico o sistema linfoide.

¿Cuáles son? ¡Vamos a conocerlos!

Órganos centrales

Órganos periféricos

Su función es proporcionar el entorno adecuado para que los linfocitos interaccionen entre sí, con las células presentadoras de antígeno y/u otras células, con el fin de que entren en contacto con el antígeno y se active la respuesta inmune. Los órganos secundarios del sistema inmune son:

Los nódulos o ganglios linfáticos, cúmulos de tejido linfático aislados o agrupados en racimos y repartidos por todo el cuerpo, que actúan como filtros para capturar antígenos.
Amígdalas, extensiones de tejido linfoide situados en la faringe y que constituyen el anillo de Waldeyer, protegiendo la entrada de las vías respiratorias de la invasión bacteriana.
Placas de Peyer, cúmulos de tejido linfático que recubren interiormente las mucosas como las del intestino y las vías respiratorias.
El bazo, órgano situado en el cuadrante superior izquierdo de la cavidad abdominal de gran importancia tanto en la inmunidad celular como en la inmunidad humoral.
Los tejidos linfoides asociados a mucosas (MALT), agrupaciones de células linfoides sin organización o estructura asociadas a diferentes localizaciones en el organismo como por ejemplo bronquios, tubo digestivo o nariz.
La médula ósea, tejido localizado en el interior de los huesos largos, pelvis, vértebras, etc. que también actúa como órgano secundario en la respuesta inmune.

Su función es la de proporcionar el microambiente para la formación y maduración de los linfocitos, proceso que se denomina linfopoyesis. Los linfocitos son las células principales del sistema inmune encargadas de la inmunidad específica. Los órganos primarios del sistema inmune son:

El hígado en el feto, es el órgano donde se realiza la función de maduración de los linfocitos B, aunque va siendo sustituido por la médula ósea de manera progresiva.
La médula ósea en los adultos, lugar donde maduran los linfocitos B.
El timo, glándula endocrina donde maduran los linfocitos T.

Amígdalas y Adenoides

Timo

Nódulos Linfáticos

Bazo

Apéndice

Nódulos y Vasos Linfáticos

Médula Ósea Roja

Placas de Payer

Mantenerse activo

Comer saludable

Evitar el estrés

Dormir lo suficiente

Cuando se trata de combatir un virus, precauciones como lavarse las manos yevitar a quienes pueden estar enfermos son claves.

3.3. ¿Cómo reforzar el sistema inmunológico?

EMPEZAR

¿Aprendemosjugando?

Sistema esquelético

¡ERROR!

Sistema muscular

¡ERROR!

Sistema respiratorio

PREGUNTA 1/5

¿Qué sistema corporal lleva oxígeno al cuerpo usando los pulmones, inhalando por la nariz?

Pista

Lengua

¡ERROR!

Piel

Nariz

¡ERROR!

PREGUNTA 2/5

¿Cuál es el órgano sensorial del tacto?

Pista

Está formada por:

Epidermis
Dermis
Hipodermis

El interior del hueso

¡ERROR!

Un tipo de músculo

¡ERROR!

La unión de dos o más huesos

PREGUNTA 3/5

¿Qué son las articulaciones?

Pista

Así rotan las articulaciones:

Sistema digestivo

Sistema circulatorio

¡ERROR!

Sistema muscular

¡ERROR!

PREGUNTA 4/5

¿Qué sistema corporal es el encargado de procesar todos los alimentos que ingerimos?

Pista

Comienza por la boca y pasa por el esófago, estómago, intestino delgado e intestino grueso.

PREGUNTA 5/5

¿Cuál es el sistema que nos protege de las enfermedades?

Sistema Respiratorio

¡ERROR!

Sistema Nervioso

¡ERROR!

Sistema Inmunológico

Pista

RESULTADOS

0 correctas

1 correcta

2 correctas

3 correctas

4 correctas

5 correctas

0/5

1/5

2/5

3/5

4/5

5/5

0/5 Ohhhhh....¡No has acertado nada! Definitivamente tienes que estudiar más.

1/5 Has acertado una. ¡Sigue esforzándote!

2/5 Has acertado dos. Está flojillo pero inténtalo de nuevo.

3/5 Has acertado tres. ¡No está mal!

4/5 Se ve que has prestado atención. ¡Muy bien!

5/5 ¡Esto es genial! ¡Si has acertado todo quiere decir que estás de sobresaliente!

"Tus huesos" en KidsHealth. DIsponible en https://kidshealth.org/es/kids/bones-esp.html (visitada el 5.02.2020)

"Todo lo que debes saber del cuerpo humano en primaria" en RecursosEP. Disponible en https://www.recursosep.com/2017/09/11/todo-lo-que-debes-saber-del-cuerpo-humano-en-primaria/ (publicada el 11.09.2017)

Nuestro Sistema Inmunológico para niños https://primaryimmune.org/wp-content/uploads/2011/04/Nuestro-Sistema-Inmunologico.pdf

BIBLIOGRAFÍA

"El cuerpo humano: aparatos y sistemas para primaria" en Imágenes Educativas. Disponible en https://www.imageneseducativas.com/cuerpo-humano-aparatos-sistemas-primaria/ (publicada el 28.02.2017)

'Tu corazón y el sistema circulatorio'. Disponible en https://kidshealth.org/es/kids/heart-esp.html

Partes de una célula. Disponible en https://www.significados.com/partes-de-la-celula/

¡Lección finalizada!

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