Puberty summative

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Across
  1. 2. The scientific name for carbon dioxide
  2. 4. The biggest organ in your body
  3. 6. A muscle in the body that pumps blood through it
  4. 7. this is a liquid part of your body
  5. 9. bumps that are mostly on your face during puberty
  6. 11. The biggest bone in the body
  7. 12. apart in your body that gives you strength
Down
  1. 1. The things in your body that give you structure
  2. 3. A part of the body that attaches muscles to the bone
  3. 5. A muscle in your body that controls body movement
  4. 6. grows almost everywhere on the body
  5. 8. The muscle system that helps you breathe
  6. 10. apart in your chest that holds air