Heart
The heart is the most amazing organ for me. They will ask why, and I ask them what would happen to us without this organ? Even though, what would it be for us to have only the heart? Therefore, I could not say that it is the most important since without the other organs it would be of no use. let's talk about what the heart is: It is the main organ of the circulatory system.It is a hollow muscular organ that functions as an aspirating and impending pump that drives blood through the arteries to distribute it throughout the body. The human heart is the size of a fist (approximately 12 centimeters long and 8 centimeters wide), weighs between 250 and 350 grams, which is equivalent to 0.40% of body weight. Where is this organ so cool? It is located in the central region of the thorax, between the two lungs. It is surrounded by a thick fibrous membrane called pericardium. The heart is shaped like an inclined pyramid, the pointed portion of the pyramid is tilted to the left and down....