The OBE award is the Officer class of the Order of the British Empire. Usually awarded to army officer of the rank of Captain, Major or Lieut.-Colonel as a reward for their loyal service. In some cases the OBE was awarded in stead of a gallantry award.
Hematocrit is the percentage of red blood cells in the total blood volume. Red blood cells are vital to your health. Imagine them as the subway system of your blood. They transport oxygen and nutrients to various locations in your body. For you to stay healthy, your body needs to have the correct proportion of red blood cells.
URL of this page: //medlineplus.gov/ency/article/003646.htm. Hematocrit is a blood test that measures the percentage of the volume of whole blood that is made up of red blood cells. This measurement depends on the number of red blood cells and the size of red blood cells. A blood sample is needed. No special preparation is necessary for this test.