Biology, asked by ranvijay16, 4 months ago

give an account of the structure of the human heart?

Answers

Answered by Sankalp8485

Answer:

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.

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