The amount of nutrients and waste products moved across the capillary wall by bulk flow is greater than the amount that diffuses across under normal conditions.

Question

Quizplus · Accepted Answer

Diffusion is the primary mechanism for the transfer of nutrients and waste products across the capillary wall, moving substances down their concentration gradient, which is more significant in quantity compared to bulk flow, which primarily regulates the distribution of extracellular fluid volume by moving fluid and its dissolved substances together.

The Amount of Nutrients and Waste Products Moved Across the Capillary