Body Systems Review

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Across
  1. 2. Gas exchange occurs here.
  2. 7. Makes the shape of our nose.
  3. 8. When you don't know, you might shrug these.
  4. 10. Connects arteries with veins.
  5. 14. Allows your leg to bend.
  6. 15. You swallow with this.
  7. 16. Transports oxygen throughout the body.
  8. 17. This structure protects our heart and lungs.
  9. 18. Connects bone with bone.
  10. 19. This muscle allows us to breathe.
Down
  1. 1. You chew your food with these.
  2. 2. Carries blood away from the heart.
  3. 3. This structure protects the brain.
  4. 4. Carry blood away from the heart.
  5. 5. Controls all functions in the human body.
  6. 6. These types of nerves orginiate in the brain.
  7. 9. Take in oxygen and remove carbon dioxide.
  8. 11. Your heart beat is ______________; you don't have to think for it to move.
  9. 12. This body part helps you see.
  10. 13. Dissolves food in acid.