How Things Work: The Artificial Heart
The human body consists of 78 organs and 13 organ systems that work collaboratively like a well-oiled machine. Among the most vital is the heart, which pumps 2,000 gallons of blood per day ... does have a price — covering the cost of an artificial heart ...
The Tired Heart
How would you like to move the muscles of your arm 100,000 times every day to push 5,000 gallons of blood through ... left many people with a heart muscle that's been permanently damaged and no longer capable of pumping blood to the rest of the body.
Map of the Human Heart
Put your hand on your heart. Did you place your hand on the left side of your chest? Many people do ... per minute. Your body has about 5.6 liters (6 quarts) of blood. This 5.6 liters of blood circulates through the body three times every minute. In one ...
How to Avoid a Broken Heart
Newswise — Joseph Libonati ... through the coronary arteries. With exercise, the heart gets stronger because it gets bigger and is able to pump more efficiently. Exercise allows your heart to push out a greater volume of blood with every beat and it does ...
How the Heart Works
or about 2,000 gallons per day. As the heart beats, it pumps blood through a system of blood vessels, called the circulatory system. The vessels are elastic, muscular tubes that carry blood to every part of the body. Blood is essential. In addition to ...