Question

structure of human heart​

Answer 1

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.

Answer 2

Answer:

sturture of human heart

Explanation:

in includes four chambers .right artery ,right ventricle,and left artery ,left ventricle.....and it carrys oxygeneted and deoxygeneted blood and it consists of intercalated discs and surrounded by pericardium in between that pericardial fliud .....etc hope its help u.......TC.....