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