The metabolic products produced by the tissue of an energetically active mammal enter the bloodstream. What are two of these products and how do they affect the O2 affinity of haemoglobin?
A) CO2 and heat, which raise the O2 affinity of haemoglobin.
B) O2 and peruvic acid, which lower the O2 affinity of haemoglobin.
C) CO and lactic acid, which raise the O2 affinity of haemoglobin.
D) CO2 and heat, which lower the O2 affinity of haemoglobin.
E) H2O and heat, which raise the O2 affinity of haemoglobin.
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