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