Human body vocabulary

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Across
  1. 2. liquid part of blood
  2. 3. tiny sacs of lung tissue specialized for the movement of gases between air and blood
  3. 5. Large muscular bag where food is filtered.
  4. 7. muscular tube where food goes down from the mouth.
  5. 8. fights disease
  6. 10. finger-like structure that sits in the inside of the small intestine and collects nutrients.
  7. 11. where digestion begins
  8. 12. A blood vessel that carries blood away from the heart.
  9. 13. windpipe
  10. 14. upper part of the heart
  11. 15. a blood vessel that carries blood back to the heart
Down
  1. 1. Carries oxygen through the blood
  2. 4. Smallest blood vessel;connects veins and arteries
  3. 6. lower part of the heart
  4. 9. collects water