Across
- 4. what system transport blood around the body
- 5. allows exchange of gases
- 6. what system protects organ
- 8. what system control functions
- 10. what system work with bones
Down
- 1. what part of bones have 33
- 2. what skeletal system protects heart
- 3. what system breaks down food
- 7. what is the smallest thing of life
- 9. what part of skeletal system protect brain