What is the main benefit of having hemoglobin in the blood?

A. It increases the amount of oxygen that can
be carried in the blood.
B. It keeps oxygen separated from carbon
dioxide within the blood.
C. It increases the solubility of carbon dioxide
in the blood plasma.
D. It is an important source of iron for body
cells.
E. All of the answer options are correct.


A

Biology & Microbiology

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