immune system

Question 1

What’s the function of the immune system?

Answer 1

To fight infections/illnesses
or
To protect us from foreign substances; pathogens

Question 2

pathogen

Answer 2

a germ

Question 3

5 types of pathogens

Answer 3

BACTERIA, VIRUS, FUNGI, PROTOZOAN, PARASITES

Question 4

is a virus curable?

Answer 4

NOO

Question 5

is bacteria, fungi, parasites, and protozoans curable?

Answer 5

YES THEY ALL ARE, Bacteria/Antibodies
Fungi/Antifungal

Question 6

What do our cells have on them

Answer 6

receptors

Question 7

what are on pathogens

Answer 7

antigens

Question 8

Antigens must match…

Answer 8

the shape of the receptors on our cells
like a puzzle pieceee

Question 9

What causes the viruses and bacteria to change the shape of their antigens so they can infect the human cell or what is it called

Answer 9

A MUTATION

Question 10

White blood cells are in charge of…

Answer 10

helping you when you are sick

Question 11

Bone marrow:

Answer 11

produces new red and white blood cells.

Question 12

Interferon is the….

Answer 12

Interferon is the main antiviral defense of the body

Question 13

What is the spleen’s job?

Answer 13

Filters out your blood to make sure there are no pathogens

Question 14

The thymus is responsible for…

Answer 14

producing T-cells

Question 15

Antibodies are…

Answer 15

disease fighting proteins produced by white blood cells to fight off pathogens

Question 16

What do the antibodies do

Answer 16

they come into your body, kill the pathogens, and stay there to prevent you from being sick

Question 17

White blood cells:

Answer 17

work together to destroy bacteria and viruses.

Question 18

the bodys physical and chemical BARRIER to protect us is called…

Answer 18

body’s first line of defense

Question 19

just the first three, bodys first line of defense

Answer 19

1. SKIN
2. tears and saliva
3. mucus membranes

Question 20

How does the body fight pathogens when they enter?

Answer 20

The body will trigger an immune response

Question 21

The helper T cells trigger the production of

Answer 21

B cells and killer T cells

Question 22

phagocytosis is when

Answer 22

The phagocytes engulf/swallow the pathogens

Question 23

The killer T cells attack…

Answer 23

only the infected cells (don’t attack the pathogens themselves)

Question 24

The B cells produce…

Answer 24

antibodies and memory cells

Question 25

note***

Answer 25

After the pathogens are killed, memory cells and antibodies are left in the body to protect us from the same specific pathogen in the future
Then this gives us immunity to that particular disease

Question 26

Describe how the body responds to vaccines

Answer 26

The vaccine stimulates the immune system to produce antibodies

Question 27

vaccines weaken

Answer 27

pathogens

Question 28

Allergies:

Answer 28

When the immune system responds to usually harmless environmental substances

Question 29

the immune system attacks transplanted organs because..

Answer 29

the transplanted organs have foreign antigens on them

Question 30

innate :

Answer 30

the type of immunity that is present at birth and is passed down genetically

Question 31

active immunity:

Answer 31

when your body produces its own antibodies

Question 32

passive immunity:

Answer 32

receiving antibodies from another person or animal

Question 33

Herd immunity

Answer 33

when a large part of the population of an area is immune to a specific disease.

Question 34

autoimmune diseases (think about lupus)

Answer 34

when the immune system attacks some of the body’s own cells

Question 35

HIV is particularly devastating to the immune system because….

Answer 35

it destroys helper T cells, which assist B cells and killer T cells