Capillaries are the point at which arterial and venous vessels exchange blood.

Question

Quizplus · Accepted Answer

Capillaries are the smallest blood vessels in the body, and their walls are only one cell thick, allowing for the exchange of nutrients, oxygen, and waste products between the blood and tissues. This exchange occurs through the process of diffusion across the capillary walls. Therefore, capillaries are the point at which arterial and venous vessels exchange blood.

Capillaries Are the Point at Which Arterial and Venous Vessels