Biology, asked by patelabrarapap, 2 months ago

Observation of internal structure of human heart

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Answered by rajeaiswarya907

1

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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 rashmiraj78

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