Science Vocab

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Across
  1. 3. smaller airways to the lungs
  2. 6. cells that carry oxygen
  3. 10. windpipe
  4. 12. the main organ of the respiratory system
  5. 14. where most of the water is absorbed
  6. 15. where the respiratory system starts
Down
  1. 1. help fight diseases
  2. 2. foodpipe
  3. 4. A big muscle that helps you breath.
  4. 5. the air ways to the lungs
  5. 7. Tiny air sacs where gas is exchanged
  6. 8. stores pee
  7. 9. where most of the nutrients if adsorbed
  8. 11. A bean shaped organ
  9. 13. the filter in the kidneys