Hemoglobin has less affinity for oxygen at a lower pH. This means that
A) it gives up oxygen more easily in active tissues
B) it is less efficient during exercise
C) it gives up oxygen more easily in the lungs
D) it gives up oxygen more easily in the heart
Answer: A) it gives up oxygen more easily in active tissues
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Biology
- The osmoregulatory/excretory system of a freshwater flatworm is based on the operation of _____.
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