Health unit, vocabulary #1

12345678910111213
Across
  1. 3. You say it about someone with no hair.
  2. 4. Where two bones meet.
  3. 7. Doctor who works in the operating room.
  4. 9. Body internal organ, It holds your pee.
  5. 11. Your back bones.
  6. 13. Body outer covering.
Down
  1. 1. Body internal organ on top of your stomach.
  2. 2. disease.
  3. 5. Elderly.
  4. 6. the passage through the neck from the mouth to the stomach.
  5. 7. operation.
  6. 8. It holds your teeth.
  7. 10. Main organ of your respiratory system.
  8. 12. When someone is in danger, he is at ________.