Science, asked by rt764534, 7 months ago

explain the structure of heart

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Answered by ItzNerieda

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The human heart is a four-chambered muscular organ, shaped and sized roughly like a man's closed fist with two-thirds of the mass to the left of midline. The heart is enclosed in a pericardial sac that is lined with the parietal layers of a serous membrane.

Answered by 000284

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