Interstitial fluid is ________.
A) the internal environment inside animal cells
B) identical to blood in composition.
C) a site of exchange between blood and body cells
D) found only in the lumen of the small intestine

Question

Quizplus · Accepted Answer

Interstitial fluid is the extracellular fluid that surrounds cells in tissues and is a site of exchange between blood and body cells, allowing for the transport of nutrients, gases, and wastes. It is not the internal environment inside animal cells (A) nor is it identical to blood in composition (B). Furthermore, it is not found only in the lumen of the small intestine (D).

Interstitial Fluid Is ________