In fact, the organ structures of our human body are relatively complex, especially the structure of the heart is the most complex. This is mainly because our heart is the most important organ in our human body. If the heart stops beating, it will directly lead to brain death. Therefore, people must protect their hearts. If there are some problems with their hearts, they must take some measures. There are also very important organs around the heart, especially the right side of the heart is very important. The heart is located in the chest cavity, above the diaphragm, between the two lungs, about two-thirds to the left of the midline. The heart is like an inverted, slightly flattened cone at the front and back, like a peach. The apex of the heart is blunt and round, facing the left front and lower side, close to the anterior chest wall. Its surface projection is 1-2 cm inside the midclavicular line in the fifth intercostal space of the left anterior chest wall, so the apex beat can be seen or felt here. The base of the heart is wide, with large blood vessels entering and exiting it, heading towards the upper right posterior side, adjacent to the esophagus and other organs in the posterior mediastinum. Heart next to (1) Anterior heart heart Surface: Most of it is covered by the lungs and pleura, and only a small part is directly adjacent to the sternum and costal cartilages through the pericardium. (2) Lateral to the heart: adjacent to the lungs and pleural cavity. (3) Behind the heart: the esophagus, vagus nerve, and aorta. (4) Below the heart: the diaphragm. (5) Above the heart: the large blood vessels connected to the heart. The heart is composed of myocardium and four chambers: left atrium, left ventricle, right atrium, and right ventricle. The left and right atria and the left and right ventricles are separated by septa, so they are not connected to each other. There are valves between the atria and ventricles, which prevent blood from flowing from the atria to the ventricles and not flowing back. The function of the heart is to promote blood flow, provide sufficient blood flow to organs and tissues to supply oxygen and various nutrients, and take away the end products of metabolism (such as carbon dioxide, inorganic salts, urea and uric acid, etc.) so that cells maintain normal metabolism and function. The right side of the heart is what we often call the lungs. If our lungs are not in good condition, it will cause problems with our respiratory system. Therefore, the carbon dioxide we breathe every day must be metabolized through the lungs. This is the only way to ensure that our cells can work normally. Therefore, we should try not to go to places with poor air quality to avoid increasing the workload of the lungs. |
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