Therefore, if a person is severely dehydrated, the hemoglobin and hematocrit will appear higher. Blood plasma is the yellow liquid component of the blood in which the blood cells in whole blood are normally suspended. Low Hemoglobin and Hematocrit Levelsīoth the hemoglobin and hematocrit are dependent on the plasma volume. The normal levels are somewhere around 38.8-50.0% for men and 34.9-44.5 for women. The normal Hematocrit levels are independent of the body size. This process separates the blood into layers and the volume is calculated by measuring the lengths of the layers. The volume is determined by centrifuging heparinized blood in a capillary tube at 10.000 rotations per minute for five minutes. Hematocrit measures the amount of red blood cells that are in blood. A complete blood count determines how much hemoglobin is in the blood. On the way back, hemoglobin binds carbon dioxide and brings it back to the lungs. The hemoglobin contains iron, able to bind oxygen molecules from the lungs and grills, and carry them away to the rest of the body. The main role of hemoglobin in the human body is to deliver oxygen to the living cells and tissues.
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