Across
- 2. Antigens trigger an _____ response in the body
- 6. The immune system is able to ______ throughout the body
- 8. the immune system develops all kinds of _____ to destroy diseases
- 10. Some of the main _____ in the immune system are lymph nodes, thymus, and bone marron
Down
- 1. Your body responds faster the second time it sees an ______
- 3. ______ Are also called lymphocytes
- 4. our body may already have some ________ to diseases
- 5. _______ introduce microbes that are already killed, so we don't get sick
- 7. off The immune system learns how to ____ __ the disease
- 9. The immune system ignores ____ cells and only attacks the bad ones