Name the iron-containing pigment in erythrocytes.

Haemoglobin-

1. It is responsible for carrying oxygen and transporting it to the whole body.
2. It is also responsible for carrying carbon dioxide and taking it back to the lungs.
3. Haemoglobin develops in the cells of the bone marrow that become red blood cells.

The iron-containing pigment in erythrocytes is haemoglobin.