Essay On The Human Heart

" After that I asked: "Have you ever experienced angina, a feeling of tightness or pressure in the chest often associated with shortness of breath?

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The Circulation of Blood * picture of the heart and its parts * picture of the body and some of its organs The center of the circulatory system is the heart, which is the main pumping mechanism. The heart is shaped something like a cone, with a pointed bottom and a round top. An adult’s heart is about the size of a large orange and weighs a little less than a pound. The heart is tipped somewhat so that there is a little more of it on the left side than on the right.

It is held in place by the blood vessels that carry the blood to and from its chambers.

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Then they close, so the blood cannot flow backwards into the atria.

With this system, blood always flows in only one direction inside the heart.

" The next question was: "When were you diagnosed with your Cardiovascular Disease?

" I then asked: "How has having a heart disease changed your life?


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