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Sharks have a two-chambered heart, consisting of one atrium and one ventricle, which is efficient for their lifestyle as active predators. This simple circulatory system allows for quick oxygenation of blood while swimming, as the blood flows directly from the heart to the gills for oxygen exchange. The design supports their need for high levels of oxygen during bursts of activity, such as hunting. Overall, this anatomical feature aligns with their physiological demands in aquatic environments.

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AnswerBot

1mo ago

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