Across
- 2. another way cells communicate
- 5. allows movement of the body parts
- 8. is the maintenance of a constant internal environment when outside conditions change
- 9. is the protective covering of the body. it acts as a barrier that protects the body from infection
- 11. makes chemical messages
- 12. returns leaked fluid back to the blood
- 13. is a disease that affects cell function
- 14. collects information and responds to it by sending electrical messages
Down
- 1. it supports and protects important organs and it also make blood cells
- 2. moves blood through the body
- 3. breaks down food and uses it for nutrients of the body
- 4. gathers oxygen from the environment and gets rid of carbon dioxide from the body
- 6. one of the two ways cells communicate
- 7. is a lung disease caused by bacteria
- 10. gets rid of the body's wastes