ORGAN
Organic structure of living beings constituted by various tissues which carries out one or more specific functions.
A body is formed by different types of tissues such as muscles or membranes.
Organs usually operate in systems, i.e., blended with other bodies to perform a function. For example, in the digestive system we have liver, stomach or intestines, to each of which corresponds a function.
The eyes are considered organs, skin and heart, but not all are equally important. The term vital organs to refer to those organs that you can not live with it, like the lungs or pancreas.
Some vital organs are:
Lungs
They are the main organs of the respiratory system. In them the blood carrying carbon dioxide is cleaned and oxygen load. The passage of oxygen to the blood occurs through the alveoli which are the branches of the bronchi within the lungs. The introduction of oxygen in the lungs and the expulsion of carbon dioxide produced by respiratory movements of inspiration and expiration. The lungs are not muscles like the heart that is a muscle, breathing movements that do not perform them but called diaphragm muscle beneath the lungs.
Kidneys
Two organs of the body are located in the lower back or abdomen back. Its main function is to filter the blood and help the elimination of waste in it. In the kidneys there are some filters are called nephrons. When blood was filtered, continues its movement. Meanwhile, the waste filtered by the kidneys will be subsequently expelled through the urine. The ureters are responsible for driving the liquid waste from the kidney to the bladder. When it is filled with fluid, urine is expelled through the urethra.
Liver
It is one of the main vital organs of the human body. It is located on the right side of the abdomen. Its functions include the transformation are substances harmful to the body in other harmless. The liver also performs other functions such as making bile, which is essential to perform digestion. It is also partly responsible for transforming food into carbohydrates and is capable of making proteins.
Pancreas
It is a digestive organ located in the right part of the abdomen. It is a gland that secretes substances called enzymes necessary for the realization of digestive function. Another major function of the pancreas gland as is the production of hormones like insulin. It serves for example to maintain adequate levels of blood sugar. The diabetes may for example be caused by a deficiency in insulin production of the pancreas is responsible.
Spleen
Part of the lymphatic system. It is located in the upper left side of the abdomen. It is a vital organ that you can live without it, the body would become more fragile to infections. Among its functions it is to filter the blood and remove it defective red blood cells. It is also responsible for producing antibodies that help fight infections.
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