One function of the kidneys is to remove waste products and excess fluid from the body. Waste products and excess fluid are passed through to the bladder as urine. But the major function of the kidneys is recycling and re-absorption. The production of urine involves highly complex steps of excretion and re-absorption. This process is necessary to maintain a stable balance of body chemicals.
The critical regulation of the body's sodium, potassium and acid content is done by the kidneys. The kidneys:
- Remove waste products from the body.
- Demove drugs from the body.
- Balance the body's fluids.
- Release hormones that regulate blood pressure and control calcium metabolism.
- Produce an active form of vitamin D that promotes strong, healthy bones.
- Control the production of red blood cells.
There are two kidneys, each about the size of a tennis ball, located on either side of the base of the rib cage. Each kidney contains a million functioning units called nephrons. A nephron consists of a filtering unit of tiny blood vessels called a glomerulus attached to a tubule. When blood enters the glomerulus, it is filtered and the remaining fluid then passes along the tubule where chemicals and water are either added or removed according to the body's needs. The kidneys filter and return to the bloodstream about 200 litres of fluid every 24 hours. Only 1% is passed as urine.
Obesity and diabetes are very bad for your kidneys. So you must get your insulin under control and move away from processed food, excess alcohol and sugary drinks. Fasting with the correct electrolytes is the best option for people with staged kidney disease. As with most metabolic diseases, doctors will offer a cocktail of expensive drugs that have serious side effects.
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