Question

Describe the structure of the human heart with a diagram.​

Answer 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.

Answer 2

$The \: human \: heart \: is \\ a  \: four-chambered \: muscular \: organ, \\ shaped \: and \: sized \: roughly \: like \\ a \: man's \: closed \: fist \: with \: two-thirds \\ of \: the \: mass \: to \: the \: left \: of \: midline. \\ The \: heart \: is \: enclosed \: in \: a \: pericardial \: sac \\ that \: is \: lined \: with \: the \\ parietal \: layers \: of \: a \: serous \: membrane.$