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Lung Volumes
13. Which term refers to the most amount of air one can move into their lungs during maximal inhalation? (vital inspiratory capacity or tidal capacity)
Gas Exchange and Transport
14. Why is there a continuous inward-directed movement for oxygen in the lungs?
15. Why is there a continuous outward-directed movement for carbon dioxide in the lungs?
16. Which gas easily dissolves in the blood but has NO significant role in the body?
17. What atom, in each heme group, binds reversibly with oxygen?
18. Oxyhemoglobin molecules will readily give up oxygen to cells in tissues where the blood is warmer, the
pH lower, and the partial pressure of carbon dioxide high. Such conditions exist in____.
Carbon Dioxide Transport
19. What are the three mechanisms that carbon dioxide can be transported from the capillary beds of the systemic circuit to the lungs?
10%
30%
60%
21. What does carbonic anhydrase do? (Write out the reversible reaction)
22. Which respiratory center controls the rhythmic pattern of breathing?
23. Chemoreceptors (specialized neurons that detect specific stimuli) in the brain are highly sensitive to a rise in ____ in the cerebrospinal fluid.
24. What is apnea?
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