Across
- 3. keeps you safe from disease
- 5. muscle that pumps blood
- 10. diffuses oxygen into blood
- 12. body systems working together to keep balance
- 14. helps control body temperature
- 15. chemical signals that turn into electrical impulses
Down
- 1. major part in the integumentary system
- 2. part of the respiratory system
- 4. chemical signals(hormones) sent through body
- 6. breaks down food and absorbs its nutrients
- 7. major part in the nervous system
- 8. urinary tract
- 9. transports oxygen from respiratory and nutrients from digestive
- 11. protects internal organs
- 13. moves limbs and body