human body

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Across
  1. 1. this is what lets you live
  2. 3. a professional athlete can do this and make 4 liters of it
  3. 5. bronchi carries air into it
  4. 8. we need it to survive
  5. 10. other than your nose you breath out of it
  6. 11. waste goes into this
  7. 12. something you do with a stroller
  8. 13. your skin weights twice as much as it
  9. 14. it is the outer part of your skin
Down
  1. 2. what special product does your ears produce
  2. 4. blood it fights infections
  3. 6. you smell out of it
  4. 7. when you get older you get
  5. 9. it is the muscle that controls the breathing process
  6. 13. something everybody has