Across
- 5. _____Is the main organ of the respiratory system.
- 7. The terms respiration and breathing are often used _____
- 8. The trachea
Down
- 1. It is the job of the _____ system to bring in air containing oxygen in your body and remove carbon dioxide and water from the body.
- 2. The two passages that direct air into the lungs
- 3. respiration Requires oxygen and produces carbon dioxide as a waste product.
- 4. Refers to cellular respiration, the process cells use to break down glucose in order to produce energy.
- 6. Tiny thin-walled sacs of lung tissue where gases can move between air and blood