In contrast, deep veins lead to the vena cava, a large vein that transports blood to the heart. The blood in the veins of the legs works against gravity in order to return upwards to the heart. The ...

Superimposed structures, such as the atria and appendages, pulmonary trunk, and cardiac veins, can obscure the view and are preferably removed. The left coronary artery originates at the left ...

Labeled Parts of the Cardiovascular System The diagram is labeled with the main parts of the cardiovascular system: the heart ...

Thompson is removing a healthy vein from Raymond's leg so it will be ready for Raymond's quadruple bypass operation. In order to get blood to the heart muscle of a by-pass patient more efficiently ...

The heart is a muscle about the size of your fist. Your heart pumps blood and oxygen to all of the organs and tissues of the body through a network of “pipes” called arteries and veins. The heart ...

Known as varicose veins, these blood vessels, which return blood from the legs to the heart, are actually a more superficial system. The real, working venous system for the legs lies deeper ...

Blood travels around the body in tubes called arteries, veins or capillaries Arteries carry blood away from the heart towards an organ Veins carry blood from an organ towards the heart.