The kidneys: how they work and the best ways to keep them healthy

Kidneys usually come in pairs and each is about as big as a computer mouse or a regular mobile phone. Shaped like beans, they live just below the rib cage on either side of the spine. Each one weighs about 142 grams (five ounces) and is about 13 centimetres (five inches) in length. Some babies are born with just one. This often grows to the weight of a combined pair of healthy kidneys and if it stays healthy, will do the job of a pair perfectly well on its own. The kidneys and urine have been the source of interest, examination and discussion for centuries. Read more here >>>

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