Body Systems

123456789101112131415161718
Across
  1. 3. This is also known as your voice box
  2. 5. This muscle is found in the heart
  3. 7. The smallest bone in the body
  4. 8. The type of muscle found in the digestive system
  5. 9. This is also known as your windpipe
  6. 11. The brain weighs this many pounds
  7. 13. The nervous system depends on tiny cells called ____ to work
  8. 16. The heart has this many chambers
  9. 17. These carry blood back to the heart
  10. 18. Bones meet at the ___
Down
  1. 1. The muscles found on the front of your thighs
  2. 2. Muscles pull on the __ allowing us to move
  3. 4. The brain has three sections; forebrain, midbrain and ___
  4. 5. The brain and spinal cord are the _ nervous system
  5. 6. These carry blood away from the heart
  6. 7. Bones give our bodies ____
  7. 10. The circulatory system is made up of blood __
  8. 12. The exchange of carbon dioxide and oxygen is called ___
  9. 14. Bones protect the ___ in our bodies
  10. 15. The lungs and respiratory system allow us to _