MRCP UK EXAMINATIONS

Detailed explanation-1: -Capillaries are the smallest blood vessels in the body. How small are they? About ten of them equal the thickness of one human hair, and most are so small that only one blood cell can pass through them at a time.

Detailed explanation-2: -Capillaries: They are the smallest blood vessels found in the body of a human being. These are the smallest vessels, whose walls are one-cell thick. On reaching the tissue or organ, the artery is differentiated into smaller blood vessels, that is, capillaries that bring blood to all the cells of the body.

Detailed explanation-3: -Veins carry blood back toward your heart. Capillaries, the smallest blood vessels, connect arteries and veins.

Detailed explanation-4: -What is the anatomy of the capillaries? Most capillaries are only about 8 to 10 micrometers in diameter (a micrometer is 0.001 mm). They’re so tiny that red blood cells have to pass through in a single file line.

Detailed explanation-5: -Blood capillaries are the smallest blood vessels. Each capillary is up to a few cells thick to allow diffusion of blood through it to the organs/tissues.