Human Body

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Across
  1. 3. something that breaks down protein in the stomach
  2. 5. the first enzyme to break down carbohydrates
  3. 8. another name for large intestine
  4. 11. the small "roads" in the lungs were oxygen and CO2 travel
  5. 13. the throat
  6. 16. diffusion of water
  7. 17. a valve between the left atrium and the left ventricle
  8. 19. the windpipe
  9. 20. the voice box between the throat and windpipe
  10. 22. an accessory organ
Down
  1. 1. the vein which carries oxygen poor blood to the heart
  2. 2. a flap in the throat that makes food do into the stomach and air into the lungs
  3. 4. the vein which carries oxygen poor blood to the lungs
  4. 5. things in the digestive system that prevent food from moving forward. These things contract when food cannot go forward.
  5. 6. increases surface area in the rest of the small intestine
  6. 7. small spheres in the lungs which are referred to as "air sacks"
  7. 9. one way that oxygen is taken in and CO2 released
  8. 10. The place were chemicals are injected into the small intestine
  9. 12. the part of the heart that pushes oxygen poor blood to the lungs
  10. 14. a valve between the right atrium and the right ventricle
  11. 15. a chemical that is injected into "chemical city"
  12. 18. the part of the heart that pushes oxygen rich blood to the rest of the body
  13. 21. the largest blood vessel