Across
- 3. A dome-shaped muscle that works with the lungs to allow breathing in and breathing out.
- 5. It is a part of the human anatomy that known as “voice box".
Down
- 1. Branch of trachea that carry air into the lungs.
- 2. A tube-like passage for both food and air that found between the nasal cavity and esophagus.
- 4. It is a cluster of tiny thin-walled sacs found at the end of each bronchioles.