Human Body

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Across
  1. 3. produces white blood cells
  2. 7. windpipe
  3. 8. makes bones strong
  4. 10. outer layer of cerebrum
  5. 11. spongy bone
  6. 13. covers air tube when we swallow
  7. 15. flaky scalp
  8. 16. receives messages from your nerves
  9. 17. lumpy skin
  10. 19. the source of your nerves
Down
  1. 1. the main part of your brain
  2. 2. cells that clot blood
  3. 4. blood cells that carry oxygen
  4. 5. what blood travels through
  5. 6. throat
  6. 9. A small cut or scrape
  7. 11. framework of protein that makes up bones
  8. 12. blood cells that fight germs
  9. 14. A red or purple mark
  10. 18. voice-box