The Heart Essay

839 words - 4 pages

Research Paper

The human heart is a very vital, interesting, and complex organ. It continuously pumps blood through the body for the entire life. It’s made of muscle and is very strong and yet at the same time, can be very vulnerable to disease.
The heart is a very important organ. What's so unusual about it is that it is that it never gets tired. There are four parts of the heart, right atrium, right ventricle, left atrium, and the left ventricle. Oxygen-poor blood flows from the body and to the right atrium. Blood flows through the right atrium and into the right ventricle. The right ventricle pumps blood to the lungs where the blood releases waste like carbon dioxide and picks up ...view middle of the document...

This blood has lower oxygen content and is a lot in waste products that are to be separate and expel as waste or removed from the body. Veins become larger and larger as they get closer to the heart. The superior vena cava is the large vein that brings blood from the head and arms to the heart, and the inferior vena cava brings blood from the stomach and legs into the heart.
There is actually such a thing called an artificial heart (TAH) which can be placed in the body to keep you alive while you wait for a heart transplant, or if you are not eligible for a transplant but have end-stage heart failure in both ventricles. There are two types of TAH’s the CardioWest and the AbioCor. The main difference is that the CardioWest is connected to an outside power source and the Abiocor is not. CardioWest has tubes that, through the holes in the stomach, run from inside the noest to an outside power source. AbioCor is completely contained inside the chest. The battery charges through the skin with a special magnetic charger.
Lots of people get heart disease. Heart disease begins by a narrowing or blockage of the Coronary arteries; the blood vessels that supply blood to the heart itself. Other kinds of heart problems happen to the valves in the heart, or the heart may not pump well and cause heart failure. Some people are born with heart disease. Some symptoms of coronary...

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