Question

immune troops! move in! by shauna hutton 1. what does your immune system do? a. makes you sick b. keep your brain sharp c. protect you from illness d. make energy for your body 2. define the word antigen. give 3 examples of antigens. 3. according to this article, your immune system works much like... a. the ocean b. an army c. an engine in a car d. a computer 4. where are white blood cells made? a. in your bones b. in your thymus c. in your brain d. in your heart 5. b and t cells are both... a. phagocytes b. bacteria c. antigens d. lymphocytes 6. what can you do to keep your immune system strong? now try this: draw a comic strip that shows white blood cells attacking a virus in the bloodstream. super teacher worksheets - www.superteacherworksheets.com

Explanation:

1. The immune system's main function is to protect the body from illness. It defends against pathogens like bacteria, viruses, etc.
2. An antigen is a substance that can trigger an immune response. Examples include bacteria, viruses, and toxins.
3. The immune system is often compared to an army as it has cells that fight off invaders, similar to soldiers fighting enemies.
4. White - blood cells are produced in the bone marrow (bones).
5. B and T cells are both lymphocytes, which play key roles in the immune response.
6. To keep the immune system strong, one can have a balanced diet, get enough sleep, exercise regularly, and manage stress.

Answer:

1. c. protect you from illness
2. Definition: A substance that triggers an immune response. Examples: Bacteria, viruses, toxins
3. b. an army
4. a. in your bones
5. d. lymphocytes
6. Have a balanced diet, get enough sleep, exercise regularly, manage stress