BODY SYSTEM

Edit Answers
1234567891011121314
Across
  1. 2. system System that breaks down food into smaller molecules
  2. 5. Tiny sacs of lung specialized for the movement of gases between air and blood
  3. 7. Where blood goes to the heart
  4. 9. Where digestion begins
  5. 10. system System that removes cellular waste from your body and controls water balance
  6. 12. Where stuff is being delivered
  7. 14. Large flat muscle at the bottom of the chest cavity that helps with breathing
Down
  1. 1. A group of similar cells that perform the same function
  2. 3. Lower chamber of the heart
  3. 4. They are the passages through which air is directed from the nose and mouth to the alveoli
  4. 6. An organ that exchanges oxygen and carbon dioxide with the blood
  5. 8. Carries blood away from the heart
  6. 11. Allows air to pass to and from lungs
  7. 13. upper chamber of the heart