Capillaries: Understanding the Narrowest Blood Vessels
The most narrow blood vessels are the capillaries. Capillaries are the smallest type of blood vessel, and they form a network that connects arterioles to venules. Capillaries are only about 5-10 micrometers in diameter, which is about the size of a red blood cell. This small diameter allows for the exchange of oxygen and carbon dioxide between the blood and the tissues.Hemorrhage - Related Articles
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