Immune System Quiz Study Cards (7th Grade)

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Immune System Quiz Study Cards (7th Grade) by Irene Kim

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Question Answer
Immune System are organs, tissues, and cells that work together to prevent illnesses
What does the Immune System include? • White blood cells • Lymph nodes • Tonsils • Thymus gland • Bone marrow • Spleen
Thymus Gland makes T-cells (lymphocytes)
Bone Marrow makes B-cells
Spleen filters blood, and destroys bacteria
Disease is any change that disrupts the normal functioning of the body
What are some examples of Pathogens? • Virus (EX: varicella, herpes) • Bacteria (EX: E. coli, tetanus) • Fungi (EX: athlete’s foot) • Parasites (EX: worms, lice)
How does the Immune System work? • Human bodies have 3 lines of defenses • 1st line is the barrier • 2nd line is the inflammatory response • 3rd line is the immune response
1st Line of Defense • Is the barriers • Skin keeps things out • Chemicals like sweat and tears are neutralized pathogens • Mucus & cilia – traps pathogens
2nd Line of Defense • Is a Inflammatory Response • Macro phage devours germ • Inflammation • Fever
3rd Line of Defense • Is a Immune Response • Has a specific immune response (which means that the body responds to a specific pathogen or antigen) • Has antigens
Macrophage devours invaders, and launches the immune system attack
Helper T Cells coordinate immune system attacks by activating other immune system cells
Antibodies attach themselves to the foreign substance
B Cells tag invaders with antibodies, so that other immune system cells will know that they have to destroy them
Antigens are a substance made by pathogens that cause harm, and are exposed to identify the invader
Killer T Cells devoursinvaders, or release toxic chemicals that kill the invaders
Memory T Cells makes immune responses faster the next time an invader comes around
What are the types of Immunity? • Passive immunity – immunity that is temporary; it is when the immunity is transferred from another person (EX: Mother to newborn) • Active immunity – immunity resulting from exposure to a pathogen (EX: vaccinations)
HIV is a human immunodeficiency virus
How does the Immune System respond to HIV? • Attacks helper T cells • Which results in the B and Killer T cells not coming, which also results to the virus unchecked
AIDS are a acquired immune deficiency syndrome
How do you know a person has AIDS? • He/she has HIV • Has a CD4 cell count • Has any opportunistic illnesses
Opportunistic Illness is any illness that a person has because they have no immunity
#1 1) The macrophage enters the body. 2) Then, the helper T-cells call the B-cells. 3) The B-cells make antibodies.
#2 4) The T-cells investigate and call killer T-cells. 5) And then, the killer T-cells kill the pathogens. 6) Then the body calls the suppressor T-cells who stop the whole process.
#3 7) Finally, the antibodies remember the germs.
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