Across
- 3. tiny air sacs in the lungs where the exchange of oxygen and carbon dioxide takes place
- 7. tubes at the bottom of your windpipe that connect into each lung
- 9. process that moves oxygen from the lungs to the blood and carbon dioxide from the blood to the lungs
Down
- 1. muscle that helps your lungs pull in air and push it out
- 2. help regulate the temperature and humidity of the air you inhale
- 4. allows you to talk and make sounds when air moves in and out
- 5. our bodies use oxygen and glucose to make this
- 6. delivers air from your mouth and nose to the trachea
- 7. small branches of the bronchial tubes that lead to the alveoli
- 8. connects your throat and lungs