The Respiratory System
Across
- 3. prevents foods and liquids from going up your nose
- 6. where oxygen/carbon dioxide exchange takes place
- 8. tube from back of mouth or nasal cavity to esophagus
- 9. part of body containing nostrils
- 11. only organ that floats
- 13. separates left and right airways
- 14. moist tissue lining respiratory system
- 15. holds vocal cords
Down
- 1. branches off the trachea
- 2. windpipe
- 4. average person grows six and a half feet of these
- 5. roof of mouth
- 7. cartilage flap at back of tounge
- 10. tiny air sacs of the lungs
- 12. cavity (2 words) space inside the nose