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

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Quizplus · Accepted Answer

Capillaries are the smallest blood vessels and are responsible for exchanging nutrients, gases, and waste products between the blood and tissue cells. Arteries and arterioles are responsible for carrying oxygenated blood away from the heart, while veins carry deoxygenated blood back to the heart.

Permitting the Exchange of Nutrients and Gases Between the Blood