The heart is an organ consisting of a collection of muscles that functions to pump blood throughout the body. On average, the human heart beats 72 times per minute at rest and pumps 4 to 7 liters of blood every minute.
The heart is an organ consisting of a collection of muscles that functions to pump blood throughout the body. On average, the human heart beats 72 times per minute at rest and pumps 4 to 7 liters of blood every minute.