Page 32 - The Miracle of the Blood and Heart

Red blood cells are biconcave and disc-shaped. Thanks to
cell this shape, they can flex inside narrow blood vessels.
membrane
Another reason for their elasticity, however, is the cell
membrane. At left can be seen an electron microscope
image of a red blood cell (magnified 200,000 times). The
section indicated with arrows is the flexible cell membrane
that lets the cell pass with ease along narrow capillary ves-
sels. This feature of red blood cells is of great importance in
order for the body's cells to obtain oxygen.

through these capillary vessels, since—as shall be explained in
some detail—these exceedingly important blood vessels
enable nutrients and oxygen to reach all individual cells in the
body.
Yet red blood cells are too large to fit through these ves-
sels. Under normal circumstances this should cause a
problem. However, in line with the superior design
specially imparted in them, red blood cells experi-
Harun
Yahya

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