ANATOMY

Detailed explanation-1: -Capillaries are small, thin blood vessels that connect the arteries and the veins. Their thin walls allow oxygen, nutrients, carbon dioxide and waste products to pass to and from the tissue cells.

Detailed explanation-2: -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-3: -An arteriole (är-’tir-ē-, ōl) is a very small blood vessel that branches off from your artery and carries blood away from your heart to your tissues and organs. Arterioles are small arteries that link up to capillaries, which are smaller yet.

Detailed explanation-4: -Blood is transported in arteries, veins and capillaries .

Detailed explanation-5: -Capillaries are very narrow blood vessels found throughout your body. Arteries are thick and muscular blood vessels found deep inside your muscles. Capillary vs Vein. Both veins and capillaries can sometimes be visible through your skin, but veins are larger and thicker than capillaries.