El cuerpo humano

UNDERSTANDING YOUR BODY

TRABAJO REALIZADO POR: LORENA MARIA HERRERO BRINZA

INDEX

1. The nutrition funcion

2. Obtaining matter and energy

3. How are nutriens and oxygen distributed?

4. How does body and expel waste?

5. The interaction funcion

6. How does your body receive information?

7. How does your body interpretinformation?

8. How does your body carry out responses?

9. The reproduction funtion

1.THE NUTRITION FUNCTION

Nutritrion consists of taking in food and water, breathing oxygen and using these subtances to get energy, live grow and expel waste.

Your cells obtain the matter and energy they need from nutrients. Your body gets these nutrients from the food you eat and the oxygen your breathe.

2. Obtaining matter and energy

The digestive system is responsible for breaking down the food into tiny components - nutrients. These then pass through its walls and into the blood.

Digestion is the process that transforms food and extracts the nutrients. The digestive system then absorbs the nutrients, and they pass into the blood. It also expels any waste products outside the body.

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3. How are nutrients and oxygen distributed?

The circulatory system is responsible for distributing the nutrients( absorbed by the digestive system) and the oxygen ( from the respiratory system ) to the cells. It also removes the waste products from the cells so they can be expelled.

Blod circulation is the flow of blood through the circulatory system when pushed by the heart

4. How does your body expel waste?

Excretion is the process of your body eliminating the waste producs generated by the cells.

URETER

URINARY BLADDER

KIDNEYS

URETHA

5. The interaction function

The interaction function allows you to perceive things around you and inside your body, interpret the information and respond to it

A stimulus is any internal or external information that your body can detect. A response is your body's reaction to the stimulus.

6. How does your body receive information?

The sense organs are responsible for detecting information in the evironment around you and sending it to your nervous system. This system processes the information and creates an appropriate response.

The senses are: smell, taste, touch, sight, and hearing

7. HOW DOES YOUR BODY INTERPRET INFORMATION?

The nervous system is a set of structures that are responsible for processing stimuli from the sense organs and creating responses. The responses can be movements, substance production, thoughts, etc.

8. How does your body carry out responses?

The locomotor system is the set of structures that allow us to move voluntarily. It is made up of the skeleton and the muscles.

The muscles are organs made up of cells that cotract in response to a nerve signal. When muscles contact, they use energy and get shorter. When the muscles relax, they recover their initial shape.

The skeleton is made up of the bones and joints.

9. The reproduction function

Human reproduction is the funtion that allows us to have offspring( children that inherit some of our characteristics ).