Ques. A large proportion of oxygen remains unused in the human blood even after its uptake by the body tissues. This O2
A. acts as a reserve during muscular exercise
B. raises the pCO2 of blood to 75 mm of Hg
C. is enough to keep oxyhaemoglobin saturation at96%
D. helps in releasing more O2 to the epithelial
Answer:A
Ques. A large proportion of oxygen remains unused in the human blood even after its uptake by the body tissues. This O2
A. acts as a reserve during muscular exercise B. raises the pCO2 of blood to 75 mm of Hg C. is enough to keep oxyhaemoglobin saturation at96% D. helps in releasing more O2 to the epithelial