Vocab

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