40. Circulatory System
Gas Exchange
40. Circulatory System
Gas Exchange
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- Multiple ChoiceHow does myoglobin aid diving mammals such as the Weddell seal?
- Multiple ChoiceWhich of the following would increase the release of oxygen from red blood cells?
- Multiple ChoiceWhen you hold your breath, which of the following blood gas changes leads initially to the urge to breathe again?
- Multiple ChoiceWhat causes CO2 in the blood to decrease?
- Open QuestionComplete the following concept map to review some of the concepts of gas exchange. a. b. c. d. e. f. g.
- Open QuestionWhen you hold your breath, which of the following first leads to the urge to breathe?a. falling CO2b. falling O2c. falling pH of the bloodd. rising pH of the blood
- Open QuestionWhich of the following promotes oxygen release from hemoglobin?a. a decrease in temperatureb. an increase in O2 levelc. a decrease in pHd. a decrease in carbonic anhydrase activity
- Open QuestionWhen you hold your breath, which of the following blood gas changes first leads to the urge to breathe?a. rising O2b. falling O2c. rising CO2c, falling CO2