Across
- 6. excitatory effect on the inspiratory center
- 10. primary transport tubes
- 11. measures the volumes of air inspired and expired
- 12. transports oxygen in the blood
- 15. gas exchange between the alveoli and the capillary blood
- 18. connective tissue covering the lungs
- 19. chronic or ling term condition characterized by periods of wheezing, shortness of breath, and coughing
- 20. greatest amount of air that can be expired after maximal inspiration
- 23. process by which we move air into and out of the lungs
- 25. this reflex directly involves stretch receptors
- 26. inhibits inspiration
- 27. transports oxygen to the mitochondria
- 28. active process involving the diaphragm and the external intercostal muscles
- 29. amount of air entering and leaving the lungs with each breath
- 30. swing up and out
- 31. volume of air in the lungs can be measured
Down
- 1. low hemoglobin concentrations
- 2. passive process involving the relaxation of the inspiratory muscles and elastic recoil of the lung tissue
- 3. contracts, flattening down toward abdomen
- 4. individual pressures from each gas in a mixture
- 5. ________ law, pressure x volume is constant
- 7. majority of carbon dioxide is carried in this form
- 8. motor neurons that control respiratory muscles
- 9. amount of air remaining in the lungs after a maximal expiration
- 13. smallest respiratory units
- 14. contains the cells that intrinsically fire and control the basic rhythm of ventilation
- 16. when carbon dioxide binds to hemoglobin
- 17. sum of the vital capacity and residual volume
- 21. infection that causes inflammation of the air sacs in the lungs
- 22. swings up and forward
- 24. warm and humidify air