HUMAN BODY SYSTEMS

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Across
  1. 4. absorbs water
  2. 7. stores urine
  3. 8. lower chamber of heart
  4. 9. fights disease
  5. 11. basic unit of life
  6. 13. liquid part of blood
  7. 14. tube that connects the mouth and stomach
  8. 15. passageway into the lungs
Down
  1. 1. upper chamber of heart
  2. 2. transports stuff around the body
  3. 3. carries oxygen
  4. 5. connects bronchi and alveoli
  5. 6. in the lungs
  6. 10. increase surface area in small intestine
  7. 12. in kidney, filters blood