Across
- 2. The ___________ is an organ that breaks down food after you swallow it.
- 6. The__________ are this system's main organs. They take oxygen from the air
- 8. The three types of muscles are skeletal, cardiac, and _____________.
- 9. The skeleton gives the body its __________ and protects its organs.
- 12. This system helps the circulatory system give the body ________.
- 14. The __________is called the windpipe. It takes air to the lungs.
- 15. The ________ has many nerves that connect to the rest of the body.
- 16. The circulatory system is made up of the _________ and blood vessels.
Down
- 1. This system is made up of _________, which the body uses to move.
- 3. Muscles are ________ that are made of fibers.
- 4. The skeletal system is made up of ____________ that form a skeleton.
- 5. __________gives oxygen to cells and takes carbon dioxide away from them.
- 7. The digestive system helps the body get ________ from food.
- 9. The mouth uses teeth and _______ to begin digestion.
- 10. Nerves take information to and from the _______.
- 11. Arteries take blood from the heart, and __________ return the blood to the heart.
- 13. The skeletal system helps the ____________ system move the body.