Final answer:
The process of centrifuging whole blood in a test tube to separate its constituent parts is called hematocrit. It involves spinning the blood sample in a centrifuge, resulting in the separation of red blood cells (RBCs) at the bottom, a buffy coat layer consisting of white blood cells (WBCs) and platelets, and a top layer of blood plasma.
Step-by-step explanation:
The centrifuging of whole blood to separate into its constituent parts in a test tube is called hematocrit. It is a process performed by spinning the blood sample in a specialized centrifuge, which causes the heavier elements like red blood cells (RBCs) to settle at the bottom of the tube. Above the RBCs, there is a thin layer called the buffy coat composed of white blood cells (WBCs) and platelets. Finally, the top layer is the blood plasma, which constitutes the remainder of the sample.