Across
- 3. Tiny hair-like structures that line your airways and help filter out dust and particles.
- 8. Small branches of the bronchi that further divide and deliver air to the alveoli.
- 9. A flap of tissue that covers the trachea when you swallow to prevent food or liquids from entering the airway.
- 10. A tube in your throat that carries air to and from your lungs; also known as the windpipe.
Down
- 1. The two main branches of the trachea that lead to the lungs.
- 2. A large muscle below the lungs that helps with breathing by contracting and relaxing to create space in the chest cavity.
- 4. The organ on your face used for smelling and breathing.
- 5. Two organs in your chest that help you breathe by exchanging oxygen and carbon dioxide.
- 6. The opening in your face where you eat, speak, and breathe.
- 7. Tiny air sacs in the lungs where oxygen is absorbed into the bloodstream and carbon dioxide is released.