Which of the following allow red blood cells to flow through one cell at a time?

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Capillaries are the smallest blood vessels in the body and allow for the exchange of oxygen, nutrients, and waste products between the blood and surrounding tissues. They are only wide enough for one red blood cell to pass through at a time. Arteries, ventricles, aortas, and atria all have larger diameters and cannot fit only one red blood cell at a time.

Which of the Following Allow Red Blood Cells to Flow