Immune System Quiz Study Cards (7th Grade)

Flashcards by irenepapers, updated more than 1 year ago
Created by irenepapers about 6 years ago


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

Resource summary

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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