Across
- 5. make up the muscular system
- 10. perform cellular respiration
- 11. creates gamete cells
- 13. protein catalysts
- 16. takes in oxygen and releases carbon dioxide
- 17. 1st layer of protection
- 18. inhale and exhale oxygen
- 20. make up the skeletal system
Down
- 1. makes you sick
- 2. gets rid of liquid waste
- 3. breaks down food and provides body with nutrients
- 4. helps with movement
- 6. provides structure to the body
- 7. controls the body
- 8. internal balance
- 9. produces hormones
- 12. protects body from infection or pathogens
- 14. transports anything around the body
- 15. released to help regulate body temperature
- 19. reproductive cell