Across
- 4. tubes that branch from the trachea
- 6. when air exits the lungs
- 9. grape like clusters where gas exchange occurs
- 11. passageway that serves both digestive and respiratory system
Down
- 1. muscle located beneath the lungs that controls respiration
- 2. voice box
- 3. when air enters the lungs
- 5. lung capacity described as the total volume of air in one breath
- 7. muscles that are located within the ribcage
- 8. lung with three lobes
- 10. structure also known as the windpipe