Ok, Im sorry but this drives me insane, so im only answering it because it drives me nuts.
Anyways.. Absorption is when something such as a towel or paper is absorbing or taking in the liquid that its on or near such as water or juice. Or how the dictionary has it, "the process or action by which one thing absorbs or is absorbed by another."
Answer:
Buffy coat.
Explanation:
Between the plasma, and red blood cells the platelets, and white blood cells form a thin white layer which is known as Buffy coat following density gradient centrifugation of the blood.
Centrifugation is the process where the distinguish between cell fragments, and cell from the liquid intracellular matrix occurs. Centrifugation is a technique which separates the particles according to their size, density, viscosity and shape with the help of centrifugal force.
There are different types of observers. Casual observers differ from scientific observer. Seeing and observing are two different things. Not that everybody seeing is actually observing the thing.
A casual observer just sits back and watch for something to happen while a scientific observer comes up with some hypothesis to work on it.