Body systems

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