Why is blood circulation in human heart called double circulation?
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The circulatory system in humans is designed in such a way that blood passes twice from the heart. This is called double circulation. It prevents the mixing of oxygenated blood and deoxygenated blood. It helps in fulfilling the energy requirement of the body
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Human heart❤️ is four4️⃣ chambered and there is complete separation of oxygenated and deoxygenated blood. So the blood pass twise✌️ through heart to supply once to the body. It occurs once in left half of heart and once through right half of heart
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