Across
- 3. a muscle that separates the lungs from the abdominal cavity.
- 5. each bronchi divide many times into these smaller branches.
- 9. to breathe in.
- 10. air from the larynx passes through here. It divides at its lower end into the right bronchus and left bronchus.
- 11. also known as the voice box.
- 12. a tiny one-celled air sac
- 14. where air enters the body.
Down
- 1. is a piece of cartilage that acts as a lid over the larynx.
- 2. has a left and right side, each enters directly into the lungs.
- 4. a tube shaped passage way for air and food.
- 6. the process of supplying the cells with oxygen and removing carbon dioxide from them.
- 7. a 2-layered sac that each lung is covered by.
- 8. to breathe out.
- 13. spongy like tissues that are made up of alveoli, blood vessels, and nerves.Each one of these are divided into lobes.