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Interesting Facts about Urinary System

Compiled by Lari Warjri, B.A. | Medically Reviewed by The Medindia Medical Review Team on Jan 09, 2018

  1. The human bladder can stretch to hold about 400ml of urine
  2. All the blood in our body is filtered 400 times through the kidneys every day
  3. Urine stays in the bladder for up to 5 hours before discharge depending on the amount of liquid consumed if the urinary system is healthy
  1. Nerves send signals to the brain when the bladder needs to be emptied, with this indication you will feel the urge to empty your bladder
  2. The bladder swells into a round shape like a balloon when full and gets smaller when empty. However there should be a control limit that shouldn’t be exceeded in situations where we have had to control our full bladder due to unavailability of a restroom
  3. The kidney can clean more than 1 million gallons of water in a lifetime, which is more than enough to fill a small lake
  1. You may suffer from stress if the muscles supporting the bladder are weakened. You can help to strengthen these by doing pelvic floor exercises
  2. Urine is a blood byproduct and is non-toxic. It contains 95% water, 2.5% urea and 2.5% of other mixtures of minerals, salts and enzymes
  3. If one kidney fails to function and is removed, the other kidney can increase in size by 50% within two months to handle the entire task of filtration
  4. urine is often diluted and added to potted plants in the garden as it has adequate urea content which is a wonderful source of nitrogen to plants


  1. http://facts.randomhistory.com/facts-about-urine.html
  2. http://www.buzzle.com/articles/urinary-system-facts.html
  3. http://www.cairntechnology.com/15-interesting-facts-about-the-bladder

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