Biology

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Across
  1. 6. stores urine
  2. 7. lower chamber of heart
  3. 8. A blood vessel that carries blood back to the heart
  4. 9. absorbs water
  5. 10. Liquid part of blood
  6. 12. blood cell that carry oxygen from the lungs to the body cells
  7. 14. organ where most absorbtion of food takes place
  8. 15. the passages that direct air into the lungs
Down
  1. 1. allows air to pass to and from lungs(windpipe)
  2. 2. A blood cell that fights disease
  3. 3. A blood vessel that carries blood away from the heart
  4. 4. the basic unit of structure and function in living things
  5. 5. where digestion begins
  6. 11. upper chamber of heart
  7. 13. a muscular tube that connects the mouth to the stomach