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to help maintain the correct amount of nutrients,oxygen,and waste products,how does a frogs circulatory system work with its other systems

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The frog heart has 3 chambers: two atria and a single ventricle. The atrium receives deoxygenated blood from the blood vessels (veins) that drain the various organs of the body. The left atrium receives oxygenated blood from the lungs and skin (which also serves as a gas exchange organ in most amphibians).

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