What is Red Blood Corpuscles (RBC)

Red Blood Corpuscles (RBC) of a mammal is biconcave.
There is no nucleus in it. Exception - Camel and Lama RBC is formed in Bone marrow. (At the embroynic stage its formation takes place in liver).

Its life span is from 20 days to 120 days.

Its destruction takes place in liver and spleen. Therefore, liver is called grave of RBC.

It contains haemoglobin, in which haeme is iron containing compound and due to this the colour of blood is red.

Globin is a proteinous compound. With haeme it is extremely capable of combining with oxygen and carbon dioxide.

The iron compound found in haemoglobin, as haematin.

The main function of RBC is to carry oxygen from the lung to all cells of the body and bring back the carbon dioxide.

Anaemia disease is caused due the deficiency of haemoglobin.
At the time of sleeping RBC reduced by 5% and people who are at the height of 4200 meters RBC increases by 30% in them.

Number of RBC is measured by an instrument called hemocytometer.