Biology, asked by kavitha198043, 1 year ago

describe the structure of human heart

Answers

Answered by surabhikautuki

0

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.

Explanation:

The right atrium receives blood from the superior and inferior vena cavas and the coronary sinus; blood then moves to the right ventricle where it is pumped to the lungs.

Answered by hm3483280

0

Answer:

heart structure

Explanation:

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