Biology, 20.02.2020 22:26 kellysmith45
The act of breathing raises the blood oxygen level, lowers the blood carbon dioxide concentration, and raises the blood pH. According to the principles of negative feedback, sensors that regulate breathing should respond toa. a rise in blood oxygen. b. a rise in blood pH. c. a rise in blood carbon dioxide concentration. d. all of these.
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The act of breathing raises the blood oxygen level, lowers the blood carbon dioxide concentration, a...
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