Hemoglobin
A)plays a Critical Role in Determining the Total Amount $\mathrm { P } _ { \mathrm { O } _ { 2 } }$

question 110

Multiple Choice

Hemoglobin

• A)plays a critical role in determining the total amount of O₂ that is exchanged in the lungs because it removes O₂ and keeps the \(\mathrm { P } _ { \mathrm { O } _ { 2 } }\) low so that net diffusion continues
• B)combines only with O₂
• C)is found in erythrocytes
• D)does both a and c
• E)does none of the above

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