Across
- 2. smaller tubes that branch off the bronchi
- 4. a thin muscle located under the lungs
- 7. the entry point for inhaling when breathing
- 8. the pharynx is also part of what other system
- 9. singular form of bronchi
Down
- 1. what is another name for your trachea
- 3. blood vessels that surround alveoli
- 4. the direction the diaphragm goes when you are breathing in
- 5. group of cells located at the end of bronchioles
- 6. what gas do you inhale when breathing