<unk>  (or tissue fluid, or intercellular fluid) is a solution which bathes and surrounds the cells of multicellular animals. It is the main component of the extracellular fluid, which also includes plasma and transcellular fluid.
On average, a person has about 11 litres (2.4 imperial gallons) of<unk>  providing the cells of the body with nutrients and a means of waste removal.
Interstitial fluid
Fluid compartments
Tubular fluid
Lymphatic tissues
Venule
Granulation tissue
Dead space
Alveolar-capillary barrier