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What is the advantage to mammals hearts over amphibians heats?
Wiki User
∙ 15y ago
Like mammals, amphibians have what is known as a double-loop circulatory pathway. Here, the blood is sent to the rest of the body only after it has been oxygenated in the lung capillaries. Mammals have a four chambered heart consisting of a right and left atrium and a right and left ventricle. The right and left ventricles of a mammal heart have a septum that separates the blood in each. However, in the heart of an amphibian, that septum is not fully attached. So, there is a mixing of oxygenated and oxygen poor blood. This makes an amphibian require more oxygen in order to live than a mammal does. You should be happy to be a mammal.
Wiki User
∙ 15y ago
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How many chambered hearts do amphibians have in order to ensure all cells in the body receive enough oxygen at all times?
3 Chambered heats
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