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Transcript

ATTENDANCE

HOW ARE YOU FEELING TODAY

IMMUNE SYSTEM

Innate and adaptive immunity and lines of defense.

TEACHER YESSIKA OREA

THE LYMPHATIC SYSTEM

Take the extra fluid from the tissues (lymph) and bring it back to the ciruclation​Works with the immune system to protect against infections

Freeways and organs

LYMPHATIC ORGANS

Ganglios linfáticos poplíteos

LYMPHATIC ORGANS

Ganglios linfáticos poplíteos

PLACE YOUR FLIPBOOK

IN THE SUITCASE

(don´t forget a cover page with your group and team members)

ATTENDANCE

HOW ARE YOU FEELING TODAY

Immune system

The physiological function of the immune system is defense against infectious microbes; However, noninfectious foreign substances and products of damaged cells can also trigger immune responses.

Innate immune system

Adaptative immune system

We are born with itThe answers are not very specificThey do not generate memoryComponents:1. Barriers (Physical, chemical, and microbiological)2. Cells (macrophages, neutrophils, natural killers)

We acquire it over timeThe responses are highly specific and diverseThey generate immunological memoryComponents3. B lymphocytes (antibodies), T lymphocytes (direct attack)

1. Barriers

2. Innate immune cells

3. Adaptative immune cells

They are physical, chemical or microbiological barriers that stop infection.

DEFENSE LINES

They are cells and systems of the innate system that attack the infection

They are adaptive components that develop specificity and memory

Physical barriers

First defense line

Chemical barriers

Biological barriers

Macrophages

Second defense line

Natural Killers

B lymphocites

Third defense line

T lymphocites

Antibody antigen

Antigen is from the pathogen

Antibody is from the immune system

It is a portion or part of a pathogen (microbe) that is capable of being recognized by the immune system.

Remember that a pathogen is any microorganism (virus, bacteria, parasitic fungus) capable of causing disease.

They are proteins produced by B lymphocytes found in our body and that are capable of recognizing and neutralizing (stopping, attaching) to antigens.

ALLERGIES

Physiology: Exaggerated immune response to normally harmless substances (allergens).Signs and Symptoms: Sneezing, hives, swelling, difficulty breathing.Diagnosis: Skin tests.Treatment: Antihistamines, immunotherapy, avoiding allergens.

Ganglios linfáticos poplíteos

HIV/AIDS

Physiology: Immune system infection by the HIV virus, which destroys lymphocytes.Signs and Symptoms: Fever, fatigue, opportunistic infections (AIDS).Diagnosis: Antibody/antigen tests and viral load testing.Treatment: Antiretroviral therapy (ART).

Ganglios linfáticos poplíteos

LUPUS

Physiology: Multisystem autoimmune disease causing inflammation and organ damage.Signs and Symptoms: Rashes, fatigue, joint pain, fever, kidney problems.Diagnosis: Lupus-specific antibodies, clinical history.Treatment: Corticosteroids, immunosuppressants.

Ganglios linfáticos poplíteos

Recap

Quiz

start

A

B

C

D

E

F

G

A

B

C

D

HOME-CLASSWORK

Mucus, earwax, acid ph, saliva, sweat, tears, bait

Larger in children, and shrinks with age​T lymphocytes mature here

THYMUS

Antibody production

Skin, hair, mucous membranes (cilia)

Attacking the cell

Apoptosis: Suicide the sick cell

Microbiome (especially intestinal and genital tract)

Function: protect against infections​Because of the location, they are the first to encounter pathogens that try to enter the body through the nose and mouth​

TONSILS

Function: hematopoiesis​Contains stem cells that produce all types of blood cells

BONE MARROW

Phagocytosis: Eat the pathogen

Macrophages inside the nodes help clean the lymph​ ​.Lymphocytes congregate when there is an infection​ ​.A larger-than-normal node can indicate the presence of pathogens

Function: to cleanse the blood​Two parts​White pulp: filters pathogens and debris​Red pulp: filters old red blood cells

SPLEEN