<P> Together , these three kinds of blood cells add up to a total 45 % of the blood tissue by volume , with the remaining 55 % of the volume composed of plasma , the liquid component of blood . The volume percentage of red blood cells in the blood ( hematocrit ) is measured by centrifuge or flow cytometry and is 45 % of cells to total volume in males and 45 % in females . </P>
<P> Together , these three kinds of blood cells add up to a total 45 % of the blood tissue by volume , with the remaining 55 % of the volume composed of plasma , the liquid component of blood . The volume percentage of red blood cells in the blood ( hematocrit ) is measured by centrifuge or flow cytometry and is 45 % of cells to total volume in males and 45 % in females . </P>
percentage of blood made up of red blood cells
percentage of blood made up of red blood cells
45 %
45 %