Interstitial fluid is constantly formed by
A)the lymphatic system producing it.
B)lightweight elements in the blood plasma filtered through capillary walls.
C)absorption across the gut lining.
D)absorption across the lung surface.
E)reabsorption in the kidney tubules.

Question

Quizplus · Accepted Answer

Interstitial fluid is formed by filtration of blood plasma through the walls of capillaries. This fluid then bathes the cells and tissues, supplying them with nutrients and removing waste products. The lymphatic system also plays a role in the removal of excess interstitial fluid. However, it does not produce interstitial fluid. Options C, D, and E refer to absorption of substances by specific organs and are not related to interstitial fluid formation.

Interstitial Fluid Is Constantly Formed by