Correct Answer - B
Factors which shift oxygen dissociation curve to right:
1. Decrease in `pO_(2)`.
2. Increase in `pCO_(2)` (Bohr effect).
3. Increase in body temperature. entration.
4. Increase in `H^(+)` ion cone
5. Decrease in PH
6 Increase in 2, 3 diphosphoglycerate.