Haemoglobin combines with ${{O}_{2}}$ in a reversible manner to form oxyhaemoglobin.
This oxygenated blood circulates in the body. When, it reaches the tissues having low p02, the oxygen is released into the tissues.
Haemoglobin combines with ${{O}_{2}}$ in a reversible manner to form oxyhaemoglobin.
This oxygenated blood circulates in the body. When, it reaches the tissues having low p02, the oxygen is released into the tissues.