the heart

The centerfield Intro: The sum is a hefty organ and is presumable fore pumping pitch almost the body, and on average the transsexual(prenominal) heart beats at 72 beats per minute. When chemical formula at the heart (see diagram) it is important to remember that the unexpended and expert side atomic number 18 reversed (due to the way we are liveliness at it). The mightily side of the heart deals with de group Oated origin and pumps it into the lungs. The left side of the heart deals with oxygenated blood, and pumps it around the entire body. The spurn domiciliate of the heart is know as the ventricles and is more than muscular and stronger than the s sack number chambers, known as the atria. This is because a crowing volume of blood is pumped from the ventricles up through the atria and around the body. It is important to preserve a healthy heart, as it surmounts the hazard of developing steep blood pressure and cholesterol levels, as whol esome as developing heart disease. By consume healthy and doing even exercise we are able to reduce theses factors as well as reducing stress levels too. master(prenominal): The heart is a muscular organ that it part of the cardiovascular system. It is located mingled with the lungs, behind the sternum and is approximately the size of a fist.

The heart is protected by a membrane called the pericardium which surrounds the heart and secretes a fluid that reduces friction when the heart beats. The atrias personal credit line is to undertake together blood and the ventricles job is to be fill with blood and aim it to everywh ere in the body. There are three layers wh! ich do work up the wall of the heart. The out layer is epithelial tissue, the midpoint layer is cardiac muscleman and the inner layer is connection tissue. Deoxygenated blood is pumped from the powerful ventricle and into the lungs, where the blood is regenerated with oxygen and returned through the pulmonary vein. The pursuance explains the hearts role and inside structure in more detail. There are quatern chambers in the heart, the top of the heart has a right and left atrium...If you want to get a full essay, ensnare it on our website: BestEssayCheap.com

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