Actually, the heart is surrounded by a pericardium and its wall is made of 3 layers. Therefore, the terminology "4 walls of the human heart" is quite misleading. So, from outside to inside, we have: *Pericardium *Heart wall: -Epicardium -Myocardium -Endocardium
It has 4 chambers in the human heart
There are four chambers in a human heart.
Any Human Heart has 503 pages.
four
4
all of them
Four
The average human heart beats at around 72 beats per minute.
4
A human heart has two atriums.
4