Function: Link oxygen to lung, transfer oxygen to cells.
Relevance:
Its hollow spherical shape helps it move freely in the blood vessels containing hemoglobin, which binds oxygen easily and releases it.
It does not have a nucleus, which makes the surface area the largest proportion of the small size of the cell, which increases the efficiency of exchange of gases, small size can move in the fine capillaries freely.
The number of red blood cells in the blood is constant. It is composed of the sperm and contains a nucleus. When it is mature, it loses the nucleus and goes out to the bloodstream, where it dissolves after 120 in the spleen.
Relevance:
Its hollow spherical shape helps it move freely in the blood vessels containing hemoglobin, which binds oxygen easily and releases it.
It does not have a nucleus, which makes the surface area the largest proportion of the small size of the cell, which increases the efficiency of exchange of gases, small size can move in the fine capillaries freely.
The number of red blood cells in the blood is constant. It is composed of the sperm and contains a nucleus. When it is mature, it loses the nucleus and goes out to the bloodstream, where it dissolves after 120 in the spleen.
