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Shark heart-gill anatomy, artwork

Shark heart-gill anatomy, artwork

C016/6847

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Credit

D & L GRAPHICS / SCIENCE PHOTO LIBRARY D & L GRAPHICS / SCIENCE PHOTO LIBRARY

Caption

Shark heart-gill anatomy. Artwork of the heart and gill anatomy of a shark, seen from the underside, with the head at right (teeth at centre right). Deoxygenated blood (veins) is blue, with oxygenated blood (arteries) in red. The heart of a shark (centre), small compared to its body, is located in the head region near the gills. The gills (top and bottom) have been dissected to show how they extract oxygen from sea water, with the heart pumping the blood to and from the gills, and then around the body. Shark hearts are two-chambered, and they are mostly cold-blooded. Sharks need to move continuously in the water to maintain blood flow and oxygen supply.

Release details

Model release not required. Property release not required.

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