Permitting the exchange of nutrients and gases between the blood and tissue cells is the primary function of __________.

Question

Quizplus · Accepted Answer

Capillaries are the smallest blood vessels in the body and their primary function is to facilitate the exchange of nutrients, gases (such as oxygen and carbon dioxide), and waste products between the blood and the tissues. This exchange occurs across the thin walls of the capillaries, allowing for the delivery of oxygen and nutrients to the cells and the removal of carbon dioxide and other waste products.

Permitting the Exchange of Nutrients and Gases Between the Blood