PATHOLOGY

Detailed explanation-1: -There are three types of blood vessels: Arteries carry blood away from your heart. Veins carry blood back toward your heart. Capillaries, the smallest blood vessels, connect arteries and veins.

Detailed explanation-2: -A tube through which the blood circulates in the body. Blood vessels include a network of arteries, arterioles, capillaries, venules, and veins.

Detailed explanation-3: -The great vessels of the heart include your aorta, pulmonary trunk, pulmonary veins and vena cava (superior and inferior).

Detailed explanation-4: -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.