Across
- 2. allows us to make vocal sounds
- 5. where the trachea was once an important symbol long ago
- 6. an animal that can only breathe through its nose
- 7. connects your throat to your lungs
Down
- 1. carries air to and from the lungs
- 2. the only organ that can float on water
- 3. lets air into the body, filters debris, and moistens it
- 4. disease attacking lungs that can be caused by allergens
- 8. caused by smoking or air pollution