Across
- 1. muscle that contracts and relaxes causing one to breath in and out
- 6. system that moves blood throughout the body
- 7. organ in the chest cavity where respiration occurs
- 8. control system of the nervous system
- 10. controls the body through a network of cells and fibers that transmit impulses
- 12. system that deals with the exchange of gases through breathing
- 13. provides shape; supports and protects the body
- 14. breaks down food
Down
- 2. works with skeletal and nervous systems to produce movement
- 3. also known as the oral cavity serves as an intake for food, drink, and oxygen
- 4. another name for the heart muscle
- 5. type of joint including elbows and knees
- 8. the fluid of life transporting oxygen and nutrients to the rest of the body
- 9. connective tissue joining muscles to bones
- 11. blood vessels that carry blood away from the heart