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Shape, Size and concentration of Red Blood Cells.
Normal red blood cells, shown in the picture on the right are biconcave discs.
Biconcave Discs Shape of Red Blood Cell
The Red Blood Cells Have a diameter of about 7.6 to 7.9 micrometers .
Red blood cells have a thickness of 2.5 micrometers at the thickes point and 1 micrometers or less in the center
Red Blood Cells have an average volume of 90 to 95 cubic micrometers
Red blood cells are like bags that can be change into any shape.
Concentration of Red Blood Cells in the Blood.
In females, the concentration of red blood cells is 5,200,000 (+ or – 200,000 per cubic millimeter
In males, the concentration of red blood cells is 4,700,000 (+ or – 200,000 per cubic millimeter
Persons living at high altitudes have greater numbers
of red blood cells.
