Body Systems
Across
- 3. eliminates waste to maintain homeostasis
- 6. absorbs food and eliminates waste
- 9. first line of defense
- 10. produces movement
- 11. controls all activities in the body
Down
- 1. exchanges gases and controls breathing
- 2. supports the body
- 4. produce more humans through sexual intercourse
- 5. delivers oxygen and nutrients to cells
- 7. releases hormones
- 8. fights against diseases