Biology, asked by Vishnu9848, 2 days ago

Describe the internal structure of mammalian heart

Answers

Answered by vijaykumar142008

Answer:

Hope you understand well and it will help you.

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Answered by vimal1foru

Explanation:

The human heart is a four chambered muscular organ , shaped and sized roughly like a man's closed first two-third 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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