Human Body Crossword

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Across
  1. 3. little structures that cover the inside of the small intestine to help increase surface area
  2. 8. blood vessel that carries blood away from the heart to the body
  3. 9. organ that absorbes the most nutrients from food
  4. 11. flat muscle that helps with breathing (under lungs)
  5. 14. small sacs, lung tissue specialized for gas movement in air and blood
  6. 15. passages that lead air into the lungs
Down
  1. 1. blood vessel that carries blood to the heart
  2. 2. liquid part of blood that makes blood flow
  3. 4. cell fragement that helps with forming scabs
  4. 5. organ that filters the waste from blood (urea, water, salt, and proteins)
  5. 6. places where the bronchi and alveoli connect (airways)
  6. 7. the smallest blood vessel that connects arteries and veins
  7. 10. blood cell fights off sickness and disease
  8. 12. place where urine is stored
  9. 13. filters blood