question_answer

Which fact suggests that most oxygen is transported from lungs to the tissue combined with haemoglobin rather than dissolved in blood plasma?

A)  \[{{O}_{2}}\] carrying capacity of whole blood is much higher than that of plasma and \[{{O}_{2}}\] content of blood leaving the lungs is greater than that of blood entering the lungs

B)  Haemoglobin can combine with \[{{O}_{2}}\]

C)  Oxyhaemoglobin can dissociate into haemoglobin and \[{{O}_{2}}\]

D)  Increase in \[C{{O}_{2}}\] concentration decreases the \[{{O}_{2}}\] affinity of haemoglobin