Heart of Human. One of the most vital organs in the body is the heart. The heart is useful for pumping blood with the power that reaches each individual cell. The blood carries nutrients and oxygen delivered to all cells. The heart is about 5 inches long, 3.5 inches wide and 2.5 inches thick. The human heart is generally said to be the size of a human fist. However, a heart athlete can grow bigger in size because of excessive exercise. Here are some heart of human facts that will add to your knowledge about tireless organs . The average heart rate is 72 times per minute. In one day, the heart beats more than a hundred thousand times! The average heart has the ability to pump blood throughout the body around two thousand gallons every day. In response to exercise, the heart muscles tend to grow in a much larger size and also as strength.
study of how the human body functions, includes the mechanical, physical, bioelectrical, and biochemical functions of humans in good health, from organs to the cells of which they are composed