Humans/Animals

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Across
  1. 2. where all waste leaves body
  2. 3. system that controls blood flow
  3. 4. carries oxygen-rich blood through all of the body
  4. 6. system that controls breathing
  5. 7. when teeth and saliva breaks down food
  6. 8. another word for voice box
  7. 10. another word for throat
Down
  1. 1. fancy term for breathing
  2. 3. system that involves all of the heart
  3. 5. another word for wind pipe
  4. 9. carries deoxygenated blood back to the heart