Across
- 2. The wind pipe is also known as the what?
- 3. What is the name of the air sacs in the lungs
- 4. The intercostal muscles and _________ help us breathe.
- 6. What is the name of the two tubes that go into the lungs
- 9. What is the name of the small branching tubes in the lungs
- 10. What happens in the alveoli
- 11. The trachea has ________ rings to keep it open
- 12. We need to breath to get __________
Down
- 1. Oxygen is used during the process of _______________ to make energy
- 5. What helps to protect the lungs?
- 7. Carbon dioxide and ________ are the gases involved in gas exchange
- 8. What is the name of the structure that stops food getting into your lungs