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Home > All Images > 1992 > January > 17 Jan 1992

Images Dated 17th January 1992

Choose from 7 pictures in our Images Dated 17th January 1992 collection for your Wall Art or Photo Gift. All professionally made for Quick Shipping.

Heart structure Featured 17 Jan 1992 Image

Heart structure

Artwork of the internal structure of the heart. On the left, the right atrium (top cavity) and right ventriculum (bottom) receive deoxygenated blood from the body through the superior and inferior vena cava, coloured blue. From the right ventriculum the blood flows through the pulmonary arteries (not visible) to the lungs. Oxygenated blood returns to the left atrium and ventriculum and is distributed to the body through the red ascending aorta. The yellow feature at the base of the superior vena cava, embedded in blue nerve endings, is the sinuatrial node where the impulse for the heart contraction originates