Biology, asked by meenakshisharmaaarya, 7 months ago

give an account of the structure of the human heart¿?
please tell me in detail​

Answers

Answered by Anonymous
1

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.

Answered by shorooqayesha
3

Explanation:

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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