Across
- 3. what system protects organ
- 5. what are collections of the same kind of cells
- 6. what system transports blood around the body
- 8. what system breaks down food
- 10. what is the smallest unit of life
Down
- 1. what system works with the bone
- 2. what bone is made up in 33 bones
- 4. what protect heart on skeletal system
- 7. what system controls all body functions
- 9. what protect brain on skeletal system