Human Body Systems

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Across
  1. 3. The part of the blood that is liquid
  2. 7. the tube that connects your nose and mouth to your lungs
  3. 8. the hair-like structures in your small intestine that absorbs the nutrients
  4. 9. fights off disease
  5. 11. the blood vessel that connects vein and artery
  6. 12. the top part of your heart
  7. 13. the part of your blood that can connect to make a scab
  8. 14. the filter in your kidneys that filters out your blood
  9. 15. the bottom part of your heart
Down
  1. 1. where the water is absorbed
  2. 2. the muscle under the lungs that you use to breath
  3. 4. tiny air sacs that drop off CO2 and pick up O2
  4. 5. the tiny tubes that connect bronchi and alveoli
  5. 6. where most of the nutrients in your food is absorbed
  6. 10. the tube that connects the stomach and mouth