Each haemoglobin molecule has

What is Bohr's effect?

Haemoglobin $(Hb)$ is a

............$\%$ of $O_2$ is transported through the plasma in a dissolved state,nearly ...........$\%$ of $CO_2$ is transported by $RBCs,$ and ...................$\%$ of $CO_2$ is carried as bicarbonate.

Although much carbon dioxide is carried in blood,yet blood does not become acidic because

What happens when the blood becomes acidic?