Explain structure and Working mechanism of frog heart?
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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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Heart of frog is three chambered. ... The heart is enclosed in two membranes- an inner epicardium and outer pericardium. The space between these two layers is called pericardial cavity. It is filled with pericardial fluid which performs. Protects the heart from mechanical injury
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