human body puzzle

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Across
  1. 1. muscles also called involuntary muscle
  2. 4. pair of bean-shaped organs
  3. 6. amount of urine produce depends on
  4. 7. keeps your mouth moist
  5. 9. must be broken down into form that our cells
  6. 10. muscle specific to heart
  7. 11. muscles are attached to bones
  8. 12. intestines is part of digestive system
Down
  1. 2. grind and tear food into small pieces in
  2. 3. also known as urinary system
  3. 5. chemical digestions begins
  4. 6. intestine final stage of digestive system
  5. 7. chemical digestion
  6. 8. organs of urinary system
  7. 13. digestion involves physically breaking food