human body

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Across
  1. 2. a tube air goes down into the lungs
  2. 4. tiny sacs of lung tissue that have the movement between air and blood
  3. 5. little filter in the kidney that blood goes through
  4. 9. the transport system, transports nutrients, oxygen, carbon dioxide, etc
  5. 12. lower part of the heart
  6. 13. tiny hair like structures in the small intestine that absorb nutrients
  7. 14. very important for forming scabs
Down
  1. 1. absorbs water
  2. 3. a tube that food goes down into the stomach
  3. 6. passageways that lead the air to the lungs
  4. 7. filters waste from the blood
  5. 8. carry’s oxygen and carbon dioxide all around the body
  6. 10. absorbs nutrients
  7. 11. upper part of the heart
  8. 15. a group of cells doing the same function