what are the main metabolic function of liver?
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well,the main metabolic function of liver are:\n1.produces and excretes bile.\n2.performs several roles in carbohydrate metabolism like Gluconeogenesis,Glycogenolysis &Glycogenesis.\n3. breakdown of insulin and other hormones. \n4.Cholesterol synthesis.\n5. production of triglycerides (fats). \n6.liver produces coagulation factors which are I (fibrinogen),II (prothrombin),V,VII,IX,and XI as well as protein C, protein S and antithrombin.\n7.converts ammonia to urea.\n8.stores a multitude of substances like glycogen,vitamin B12,iron,and copper.\n9.the main site of red blood cell production in the first trimester fetus.
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The main function of carbohydrates is to provide energy, but they also play an important role in: \nThe construction of the body organs and nerve cells \nThe definition of a person's biological identity such as their blood group \nEnergy source and storage \n Gut function and dietary fibre
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A fatty liver can be caused by many things, including alcohol, certain drugs, chemicals, starvation, obesity, diabetes and certain diseases.  Fatty liver is a sign of something wrong going on in your body.  You need to find out what is wrong and fix it otherwise you risk permanent liver damage, which can lead to death (you can't live without a liver).  Fortunately, fatty liver is completely reversible, so as long as the damage does not progress.
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Nausea, Jaundice (yellowing of the eyes and/or skin), fatigue, weakness. These are just some of the symptoms. A liver function test is generally necessary to confirm liver damage or disfunction.
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metabolism that requires the presence of oxygen
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As Beare85 said, the matter comes in as nutrients or food. Metabolism consists a series of reactions that happens in the body and in cells, taking in food (potato, beef and so on), brakes them down into the smallest biological molecules (particles such as proteins, carbohydrates, fat, and other minerals and vita mines, while storing the energy of those bonds), then uses them as building blocks for their functions. In the body, a lot of the breaking down happens in the digestive system, and is spread through the body in the blood. Cells absorb nitriente mostly as building blocks already. Cells are mostly proteins, lipids (fat) and water. It all comes from food.
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The main mechanism of energy production in the body is through the formation and oxidation of adenosine triphosphate, ATP.  Cells convert carbohydrates (which we eat) into ATP, and then oxidize the molecules later to access the energy in their chemical bonds.
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evrything passes thru the liver, the air we breath, the food we eat, the chemicals absorbed thru our skin ALL PASS THRU THE LIVER FOR PURIFICATION
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glucose is fuel for the body.  glycolysis makes ATP which is essential for the body to function
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Your doctor can order lab work to see how well the body is clearing out toxins in the blood. If these are normal one can conclude the liver is functioning normally. Also, the doctor can palpate or feel the liver for size and firmness. We want a normal size and not hard or nobby. A sample of liver tissue can be taken through biopsy and be evaluated.
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Circulatory - keeps the blood and nutrients circulating to all vital organs\nRespiratory - provides oxygen to the blood system, and eliminates CO2\nNeurological - controls the other systems\nDigestive - provides the nutrients circulated by the blood system, and excretes the waste products, ridding the body of toxins\nRenal - maintains healthy fluid balance so that the blood can flow through the body with ease, also eliminates waste products, ridding the body of toxins
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Metabolism is the biochemical modification of chemical compounds in living organisms and cells. This includes the biosynthesis of complex organic molecules (anabolism) and their breakdown (catabolism). Metabolism usually consists of sequences of enzymatic steps, also called metabolic pathways. The total metabolism are all biochemical processes of an organism. The cell metabolism includes all chemical processes in a cell.
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Basic question on structure and function.  Blood test can tell you how your liver is functioning or if there is any damage occuring. Tests included SGOT, SGPT, Alk Phos, bilirubin, PT, PTT, INR, NH3.  Again this is a test of how you liver is functioning.  If there is a disturbance of function, then the question is what is causing the disturbance.  Can the disturbance be caused by something structural like a stone, a mass, or abcess etc.  This is where a CT scan can be useful.  CT scan will look at the structure of the liver and can detect structural abnormalities that may be causing the liver blood test abnormalities.\n\nRemember that in medicine  we sometimes need more then one test to fully evaluate an organ.  And again to evaluate and organ we look at function of the organ and then structure of it.  For the lungs - Chest Xray and Pulmonary Function Test.  For Kidneys - blood and urine test and CT or U/S. For heart - stress test, ekg, echo. etc
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Blood vessels nourish all parts of the digestive system from mouth to anus, but the circulation to the small intestines is probably one of the most importantfor distribution of nutrients. The small intestine is the site of both digestion and absorption of PFC nutirents from the food taken in at our mouth; protein is broken down into smaller subunits called amino acids, complex carbs are broken down into smaller monosaccharides, lipids are broken down into glycerol and fatty acids, and nucleic acids are broken down into nucleotides.  These smaller molecules are more easily absorbed from the lumen in the intestine to the villi. Thus the nutirents are more readily available for the many chemical reactions for misc cells metabolism.  The intestines are lined with epithelial tissues that have a unique arrangement of intestinal projections called "villi".  These villi increase the surface area for absortion of these molecules digested for us.  The villi have blood vessels (capillary) and lacteals in them so that the nutrients we ate, digested and absorbed can be transported to the blood or lymph vessel in the villi and then eventually go to to-thru blood stream so that any cells throughout the body that need nutrients can be "fed," esp so that cell respiration can take place. The blood vessels in the stmach make it easy for some molecules to even be absorbed in the stomach.  Same is true in the  mouth. Water, misc drugs, sugar and ions can be absorbed into the blood vessels located under the tongue.\n\nOne of the most COMPLEX sites connecting the circulatory system and the digestive system is the hepatic portal system (and all associated vessels) that help to transport and process MANY molecules-nutrients as they go thru the sinuses in the liver. The liver has hundreds of functions related to the complex metabolism and processing of proteins, fats and carbs.
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LIVER\n\nIt plays a major role in metabolism and has a number of functions in the body including glycogen storage, plasma protein synthesis, and drug detoxification. This organ also is the largest gland in the human body. It produces bile, which is important in digestion. It performs and regulates a wide variety of high-volume biochemical reactions requiring specialized tissues.\n\nFAT\n\nFats play a vital role in maintaining healthy skin and hair, insulating body organs against shock, maintaining body temperature, and promoting healthy cell function. They also serve as energy stores for the body. Fats are broken down in the body to release glycerol and free fatty acids. The glycerol can be converted to glucose by the liver and thus used as a source of energy. The fatty acids are a good source of energy for many tissues, especially heart and skeletal muscle.
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Liver.\nLiver also performed those functions:\n1.Lipid metabolism.\n2.Protein metabolism\n3.Processing of drugs and hormones\n4.Excretion of bilirubin\n5.Stnthesis of bile salts\n6.Storage of glycogen\n7.Phagocytosis\n8.Activation of vitamin D
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A good healthy eating life style, foods rich in Vitamin B,and milk thisle. There are good liver tonics especially if you drink alcohol. If you are worried about your liver, you can have an ultra sound done to make sure it's healthy.\nLots of water, as the liver removes toxins.