THE heart is essentially a muscle that contains millions of cells that produce energy for the heart to pump blood throughout the body. It has its own electrical system that allows it to beat in an efficient manner. There are valves that help the blood flow in the right direction. Coronary arteries carry blood that provides the heart with adequate amount of oxygen and nutrients to perform its job.
The heart is the hardest working organ and it beats 100,000 times a day. None of those beats could occur without energy. Therefore, the heart requires a tremendous amount of continuous energy. At the cell level, energy is produced in the mitochondria (“power-plants”) and the heart, being the “hardest” working organ, is very rich in energy-producing mitochondria (up to 5,000 per cell), more than what is found in any other tissue. The more mitochondria the cell contains, the more energy it can produce.
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