What is heart anatomy?
The heart anatomy includes the organ itself, which consists of four chambers, several valves separating the chambers and a thick wall of the heart muscle throughout one of the three layers of the heart wall. It may also include the main blood vessels that immediately enter and leave the heart, such as aorta, pulmonary arteries and veins, and vena cava, as well as nerves piercing heart and drive contractions. The heart anatomy allows a closed circuit of blood flow, in which the deoxygenated blood is pumped from the heart to the lungs to raise oxygen, then back over the heart and out into the body through the aort to spread this blood into the body tissues. Once the oxygen was removed, it went back to the heart of the vein. The blood then spreads back to the lungs when the perimeter begins again.
roughly the size of two fist fists, the human heart is located inside the thoracic bone, located behind the sternum or breast in the center of the chest. Curves of the lower portions slightly to the left and form a soft point.This body can be divided into right and left sides, with two chambers on each side: hall and chamber. As the highest chamber, the right and left atrium, the place where the blood is returned to the heart, with deoxygenated blood from the body transmitted to the right atrium and newly oxygenated blood from the lungs brought to the left atrium.
In the anatomy of the heart, each half of the organ acts as a separate pumping system. The system circuit includes the left half in which the oxygenated blood cycled back from the lungs with lung veins entering the left side of the heart, silenced into the left atrium. Then it passes through the valve at the bottom of the atrium called the mitral valve and enters the left ventricle below the mine before it is exhausted from the heart through aortic semilunarventil into the aorta, the main blood vessel leaving the upper heart. From there it is distributed throughout the body.
Meanwhile, the lung circuit begins on the right side of the heart. Here the deoxygenated blood returned from the body superior and lower vena cava, the large veins are close to the organ from above and enter the rightHalls. The passing tricuspide valve on the way to the right chamber is then exhausted from the heart of the pulmonary semilunar valve before entering the pulmonary arteries, which transmits it to the lungs for re -oxygenation. Once it is completed, the lung veins bring blood back to the left side of the heart and complete the loop facilitated with a four -chamber heart anatomy.
These four chambers are closed by three layers of tissue that form the anatomy of the heart wall: epicardium, myocardium and endocardial. Epicardium is the farthest layer of the wall of the heart is adjacent to the most inner layer of pericardium, the fibrous bag surrounds and protects the heart. Inside the epicardium is a myocardium, a layer of heart muscle, which is downloaded to produce a pumping movement that pushes blood through the heart chambers. The innermost layer of the heart wall is the endocardium against which blood moves on its way through the interior of the organs.