Puzzle its a puzzle

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Across
  1. 3. it allows you to feel pain.
  2. 5. toward the center
  3. 9. away from the head
  4. 11. when you eat a meal, and your sugar goes up, the body with responds with sending insulin; this process is called
  5. 12. , the first word of this class
  6. 13. near the truck
  7. 15. skin covering all body surfaces
  8. 16. is the process in which the body changes food, into energy
Down
  1. 1. away from the trunk
  2. 2. when the body makes the same response as the body, like when a female is pushing out a baby. this process is called
  3. 4. tissues that connect and bind
  4. 6. divides the body into superior and inferior
  5. 7. the sides, away from the middle
  6. 8. close to the bone, away from the skin
  7. 10. the normal range
  8. 14. when you produce more offspring