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Ralph Hutchings

Human heart circulation. Resin cast view of the coronary arteries (red) and veins (blue). Note the septum of the heart and the aorta and vena cava. The coronary arteries branch into the smaller arterioles and capillaries which supply the heart muscle with oxygen-rich blood. Deoxygenated blood drains into the coronary veins and away from the heart. The heart beats about 60-85 times per minute at rest and within that time pumps the all the blood (approximately 5 liters) around the body.
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Human heart circulation. Resin cast view of the coronary arteries (red) and veins (blue). Note the septum of the heart and the aorta and vena cava. The coronary arteries branch into the smaller arterioles and capillaries which supply the heart muscle with oxygen-rich blood. Deoxygenated blood drains into the coronary veins and away from the heart. The heart beats about 60-85 times per minute at rest and within that time pumps the all the blood (approximately 5 liters) around the body.

Filename: 450622.jpg
From gallery: Ralph Hutchings
Photographer: Ralph Hutchings
Source: Visuals Unlimited, Inc.
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Credit: Ralph Hutchings/Visuals Unlimited, Inc.
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