Respiratory System - "Breathing"
Across
- 6. differences in air ______, determine the direction in which air moves
- 7. found on epithelial cells in your airways that function to sweep mucus and dust out of the airways
- 8. process in which air is forced into the lungs
- 9. while breathing out, ribcage moves inward & _____
- 10. (plural) site of gaseous exchange
- 12. two of these branch from the "windpipe" into each of your lungs (plural term)
- 13. (singular) site of gaseous exchange
- 15. the contraction and relaxation of this set of muscles brings about the movement of the ribcage
- 16. another term to describe "breathing"
Down
- 1. type of cell that produces mucus
- 2. process in which air is forced out of the lungs
- 3. vocal cords are found here
- 4. also known as "windpipe"
- 5. while breathing in, ribcage moves upward & _____
- 6. back of the throat region where both air and swallowed food may pass across
- 9. flatten sheet of muscle; it contracts when you breathe in & relaxes when you breathe out
- 11. also known as the chest cavity
- 14. volume of this organ changes during "breathing"