Which of the following facts suggests that oxygen is transported from lungs to the tissue combines with haemoglobin rather than dissolved in blood plasma?
A. oxygen carrying capacity of whole blood is higher than that of plasma and oxygen content of blood leaving the glands is greater than that of blood entering the lungs
B. hemoglobin can combine with oxygen
C. oxyhaemoglobin can dissociate into haemoglobin and oxygen
D. an increase in carbon dioxide concentration decreases the oxygen affinity of hemoglobin
Answer:A
Which of the following facts suggests that oxygen is transported from lungs to the tissue combines with haemoglobin rather than dissolved in blood plasma?
A. oxygen carrying capacity of whole blood is higher than that of plasma and oxygen content of blood leaving the glands is greater than that of blood entering the lungs B. hemoglobin can combine with oxygen C. oxyhaemoglobin can dissociate into haemoglobin and oxygen D. an increase in carbon dioxide concentration decreases the oxygen affinity of hemoglobin