9D

Question 1

What do white blood cells do?

Answer 1

Kill pathogens,

Question 2

An antiseptic is only for

Answer 2

Living things

Question 3

Disinfectant is for

Answer 3

Non-living things

Question 4

The four types of illness

Answer 4

Parasite virus, a fungus and bacterium

Question 5

Examples of parasite

Answer 5

Tapeworms

Question 6

Examples of virus

Answer 6

Covid or cold?

Question 7

Examples of fungus

Answer 7

Athletes foot

Question 8

Example of bacterium

Answer 8

Tuberculosis

Question 9

How can you catch any of these patheogens

Answer 9

By not washing your hands by putting body parts on dirty surfaces, and being in contact with another sick person

Question 10

What are the types of white blood cell?

Answer 10

There were lymphocytes and phagocytes

Question 11

What are the spiky bit of a pathogen?

Answer 11

They are called antigens

Question 12

What is the stalky things on the lymphocytes?

Answer 12

Antibody

Question 13

How does a lymphocyte kill pathogen?

Answer 13

The antibodies on the lymphocyte shoots off the lymphocyte into the blood. It attaches to the pathogen, cramping them together, and eventually killing them. It also attract the phagocyte.

Question 14

What do lymphocytes have to react fast to the next time you get the same sickness

Answer 14

They have good memory

Question 15

How do you phagocytes kill pathogens?

Answer 15

They have an abstract nucleus, so their is space in the cell to engulf the pathogen

Question 16

How can you kill pathogens?

Answer 16

You can kill them with heat, alcohol, washing, bleach and antibiotics

Question 17

What are some examples of immune system functions?

Answer 17

Gag, reflex skin barrier, mucus stomach, acid,and white blood cells

Question 18

How do vaccines work

Answer 18

They take a weekend virus and they injected into your bloodstream, so the white blood cells react as if it’s a strong virus and it creates antibodies to know how to kill it next time when it’s the real thing