Choose the right sequential phenomena among following during the delivery of `O_(2)` from blood to tissue
P. Absorption of `CO_(2)` by the blood
Q. Reaction of absorbed `CO_(2) " with " H_(2)O` to from `H_(2)O_(3)` within RBC and its conversion into `H^(+)` and `HCO_(3)^(-)` ions
R. Reaction of absorbed `CO_(2) " with " H_(2)O` in plasma to form `H_(2)CO_(3)` and its conversion into `H^(+) " and " HCO_(3)^(-)`
S. Combination of `H^(+)` with haem portion of `HbO_(2)` to release `O_(2)`
T. Comnbination of `HCO_(3)^(-)` with haem portion `HbO_(2)` to form reduced haemoglobin and release of `O_(2)`

Options

A. P,Q,T
B. P,R,S
C. P,Q,S
D. P,R,T

Answer

c