How do you agitate a fluid?

Agitation: a persistent "anonyance" that evokes a response. Agitation is real world cause and affect leading to change. Change, whether "good or bad" can be measured against the real-world imact...

cytosol

It should be red to dark maroon if it's brown or a yellow color it is burnt and should be changed

this is the fluid present in between heart and pericardium and prevent fricition between them

The term fluid is a general one, and we apply it to substances that will change shape (deform) under any stress. In that light, a liquid, a gas or a plasma are considered fluids. There may be some...