Body system
Across
- 3. a colorless, odorless reactive gas, the chemical element
- 5. found on each side of your chest
- 10. the lower part of the alimentary canal from at the end of the stomach
- 11. what covers the lungs
- 12. the number of bones in your body
- 16. two-headed muscle of the arm
- 18. the inside of a compact bone
- 19. the internal organ in which the major part of the digestion of food occurs
- 20. the path way for air
Down
- 1. a short loop that runs the heart to the lung
- 2. what the heart pumps through the body
- 4. where the food travels
- 6. the number of mussels in your body
- 7. the weight of your brain
- 8. an organ that helps you breath
- 9. pumps the blood through the circulatory system
- 13. protected organs and is a part of the skeletal system
- 14. muscles A large group of muscles in the front of the abdomen that assists in the regular breathing movement
- 15. runs down through the back from the brain
- 16. marrow in side of most bones
- 17. tissue what muscles are made of