Across
- 5. Air enters the body through the nose or ____
- 7. A waste product created by cellular respiration
- 10. A process that occurs in all our cells is cellular ___
- 12. Nutrients are absorbed in the ____
- 13. The long, U-shaped tube that connects the larynx to the lungs
- 15. Organ that food travels down to reach the stomach
Down
- 1. The process of breaking down food
- 2. Two large tubes that carry air from the windpipe to the lungs
- 3. Cells > Tissues > ____ > Body System
- 4. The site where gas exchange occurs
- 6. A small sore on the lining of the stomach
- 8. A thin, dome-shaped muscle that sits below the lungs
- 9. The main site for chemical digestion
- 11. A group of cells that do a similar task
- 14. Also called the voice box