Eventually, we realized that these thumping organs serve the vital task of pumping clean blood throughout the body. But how? Edmond Hui investigates how it all works by taking a closer look at the heart’s highly efficient ventricle system....
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The heart, blood and blood vessels worktogether to service the cells of the body. Using the network of arteries, veins and capillaries, blood carries carbon dioxide to the lungs (for exhalation) and picks up oxygen. From the small intestine, the blood gathers food nutrients and delivers them ...
The normal heart is a strong, muscular pump a little larger than a fist. It pumps blood continously through the circulatory system. Each day, the average heart expands and contracts 100,000 times and pumps about 2,000 gallons of blood. In a 70-year lifetime, an average human hearts ...
The heart works somewhat like a machine: it continuously pumps blood through the entire body using muscular contractions...
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Understanding blood will help you as your doctor explains the results of your blood tests. In addition, you will learn amazing things about this incredible fluid and the cells in it. Blood is a mixture of two components: cells and plasma. The heart pumps blood through the arteries, ...
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Understanding blood will help you as your doctor explains the results of your blood tests. In addition, you will learn amazing things about this incredible fluid and the cells in it. Blood is a mixture of two components: cells and plasma. The heart pumps blood through the arteries, ...
However, when you get right down to it, the heart is just a pump. A complex and important one, yes, but still just a pump. As with all other pumps it can become clogged, break down and need repair. This is why it is critical that we know how the heart works. With a little ...