Overview
A heart is a vital organ that supports many body functions and keeps us alive and healthy. As such, it’s essential to treat it like a valuable and precious item it is. Also, any health condition or malfunction that affects the heart should be addressed sooner to prevent more complications.
The human heart is a precision device that serves the entire body. It is a muscular organ about the size of a closed fist that rests slightly to the left of center in the chest. The heart beats around 100,000 times every day, pushing approximately 8 pints of blood throughout the body 24 hours a day, seven days a week. This transports waste and distributes oxygen- and nutrient-rich blood to tissues and organs.
The heart transfers deoxygenated blood to the lungs, where it fills up on oxygen and unloads carbon dioxide, a metabolic waste product. The circulatory system is made up of the heart, blood, and blood vessels (arteries, capillaries, and veins).
The heart is divided into four chambers: