The human heart is a muscular organ located in the chest, slightly to the left of the center. It is responsible for pumping blood throughout the body, supplying oxygen and nutrients to the various organs and tissues. The heart is surrounded by a protective sac called the pericardium, and is supplied with blood by the coronary arteries. Heart disease is a major cause of illness and death worldwide, and can be caused by a variety of factors, including genetics, lifestyle choices, and medical conditions such as high blood pressure and diabetes. Below are 10 Fascinating Facts about the Human Heart 1. The heart is a muscular organ that beats around 100,000 times a day, pumping around 2,000 gallons of blood through the body. 2. The heart is about the size of a closed fist and weighs around 10 ounces. 3. The heart is the first organ to form in a developing fetus, and it begins beating just four weeks after conception. 4. The heart is made up of four c...
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