Vocab

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Across
  1. 4. Allows air to travel to the lungs and out of the lungs
  2. 8. specialized for the movement of air and blood
  3. 10. basic unit of life
  4. 11. organ that exchanges O2 and CO2
  5. 12. organ that absorbs water
  6. 13. vessel that carries blood away from the heart
  7. 14. vessel that carries blood to the heart
  8. 15. where the digestion of food beings
Down
  1. 1. lower part of the heart
  2. 2. tube that connects the mouth and the stomach
  3. 3. where most of the absorption of food takes place
  4. 5. upper part of the heart
  5. 6. system that removes cellular waste
  6. 7. passage to the lungs
  7. 9. store urine for a limited amount of time