Respiratory System
Across
- 3. Hair-like structures that line the nasal cavities and trachea are called:
- 4. Another name for the "windpipe":
- 7. Where in the respiratory system does gas exchange occur?
- 8. This system supplies blood with oxygen in order for the blood to deliver it to the body
Down
- 1. The alveoli are surrounded by these:
- 2. Which lung has two lobes?
- 4. The pharynx is made of how many parts?
- 5. The muscle attached to the bottom of the lungs:
- 6. The role of the respiratory system is to bring what substance into the body?