I think bulimia is bad. In fact, I would even classify it as an illness. I can hurt you emotionally and physically. Some people say they "binge eat" but this the true definition of it. It isn't the thing you do while watching Netflix on the weekends, it is a serious disorder.
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A physically active job doesn't ensure better physical fitness because if you were to eat processed and terrible foods, it would affect your metabolism.
Well to answer your question blood<span> enters the </span>heart through<span> two large veins, the inferior and superior vena cava, emptying oxygen-poor </span>blood<span> from the body into the right atrium of the </span>heart<span>. As the atrium contracts, </span>blood<span> flows from your right atrium into your right ventricle </span>through<span>the open tricuspid valve.</span>