GENERAL ANATOMY
ANATOMY OF THE HEART
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Question
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The fluid-filled sac that covers the heart
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Pericardium
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Epicardium
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Myocardium
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Endocardium
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Explanation:
Detailed explanation-1: -A fibrous sac known as the pericardium surrounds the heart. This sac is made of two thin layers with a small amount of fluid between them. This fluid reduces friction between the layers as they rub against each other when the heart beats. In some cases, too much fluid builds up between these two layers.
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