Immune System

Question 1

What does the immune system do?

Answer 1

• Destroys pathogens + any toxins they produce.

- protects us incase the same pathogen attempts to invades again in the future.

Question 2

What are whiteblood cells?

Answer 2

• Forms apart of the immune system.
• Can ingest and digest pathogens.
• WBC detects chemicals released from the pathogen and moves towards it.
• WBC ingests the pathogen.
• Uses enzymes to destroy pathogens.
• Phagocytosis.

Question 3

What are antibodies?

Answer 3

• Protien molecules produced by WBC.
• Antibodies stick to pathogens.
• ## Triggers pathogens to be destroyed.

Question 4

What is the first fact of antibodies?

Answer 4

• If a person catches measles:
• Antibodies against measles are developed.
• Only protect themselves agaisnt measles`
• Not any other type of pathogen.

Question 5

What is the second fact of antibodies?

Answer 5

• Can remain in the blood for a long time.

- Protect us incase we get infected with the same pathogen.

Question 6

What do WBC do against toxins?

Answer 6

• Can produce chemicals called anti-toxins.

- Anti-toxins stick to toxin molecules and prevents them from damaging cells. `