8/9/2005 · The heart is an organ found in every vertebrate. It is a very strong muscle. It is on the left side of the body in humans and is about the size of a fist. It pumps blood throughout the body. It has regular contractions, or when the heart squeezes the blood out into other parts of the body. Cardiac and cardio both mean about the heart, so if something has the prefix cardio or cardiac, it has something to do …Types of heart disease. The three most common types of acquired heart disease are Coronary Artery Disease (acronym CAD) – This is a problem with the blood vessels that deliver blood to the heart muscle.If these blood vessels get very small, or if they become …
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