Across
- 4. What gas affects blood pH the most in respiratory control?
- 5. What volume remains in the lungs after maximal exhalation?
- 6. What is the name of the small airways that branch from the bronchi?
- 8. Which part of the brain controls breathing rhythm?
- 11. What is the passive process of air moving out of the lungs?
- 13. What do we call the movement of air into the lungs?
- 15. What type of receptor detects changes in blood pH and gas levels?
- 16. What term describes oxygen moving from blood to tissues?
- 18. What term describes the amount of air moved in one normal breath?
- 19. Which law relates pressure and volume in the lungs?
Down
- 1. What type of breathing is usually passive?
- 2. Which organ is shared by the respiratory and digestive systems?
- 3. What term refers to oxygen moving from lungs to blood?
- 4. What gas is expelled as a waste product?
- 7. What gas is taken in during respiration?
- 9. What pigment in red blood cells carries oxygen?
- 10. What tube connects the throat to the bronchi?
- 12. Which muscle contracts to initiate inhalation?
- 14. What structure is the site of gas exchange in the lungs?
- 17. Which structure filters and moistens air at the start of the tract?