This is fundamentally the holistic view of blood. Blood is blood and cannot be reduced to what we consider it's component parts. Blood which is an individual object must be viewed as a whole substance entirely to itself and cannot be separated into distinct unchanging chemical elements. If done, it will not be blood anymore.
Blood is a body fluid, consisting of red and white blood cells and platelets suspended in blood plasma, 55% water containing dissipated proteins, sugars, minerals and hormones.
In other words blood in its entirety is blood and cannot be anything else but blood.
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