During gas exchange in the tissues
a. oxygen concentrations are much lower in the tissues so hemoglobin gives up oxygen
b. there is a high carbon dioxide concentration that causes hemoglobin to change shape
c. some carbon dioxide binds to the hemoglobin molecule
d. a and b
e. a, b and c
Answers: 3
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During gas exchange in the tissues
a. oxygen concentrations are much lower in the tissues so h...
a. oxygen concentrations are much lower in the tissues so h...
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