Fluids of the body?

it depends on which body fluid you are refering to can your rephrase your question to be more specific?

aids in lubrication

Mainly water.

what mechanism that you body has that maintain fluid balance?

Interstitial fluid is the basic fluid from which all others are derived, including blood, lymph, and all extracellular fluid. Hormones are chemical messengers and are transported by blood, thought...