15 Interesting Facts About the Human Bladder
- The average bladder holds between 300ml and 600ml of urine. That’s similar to a can of fizzy drink or a pint of milk.
- The main function of the bladder is to store and release waste in the form of urine.
- The bladder is a stretchy, muscular bag that sits just behind the pubic bone.
- The bladder is like a balloon and swells into a round shape when full and gets smaller when empty.
- If the urinary system is healthy, urine may stay in the bladder for up to about 5 hours before excretion, depending on the amount of liquid consumed. We also obtain some fluid from food.
- The average person passes approx. 1.5 litres to 2 litres of urine in 24 hours.
- The muscle in the bladder wall is called the ‘detrusor’ muscle.
- If muscles supporting the bladder are weakened, you may suffer from stress incontinence. You can help to strengthen these by doing pelvic floor exercises.
- The inside of the bladder is covered with a urine-proof lining called the urothelium.
- The bladder has tubes called ureters going into it and a tube called a urethra going out of it.
- When the bladder needs to be emptied, nerves send signals to the brain indicating this, and you will feel the urge to empty your bladder.
- Women’s urethras (tubes that take urine from the bladder to the outside of the body) are much shorter than men’s due to the differences in genitalia. This means that women are more at risk of bladder infections than men as bacteria from outside the body can get into the bladder more easily.
- A normal bladder completely empties every time you pass urine.
- A normal bladder does not leak.
- There are a number of things you can do to try and maintain a healthy bladder including: keeping a healthy fluid intake, avoiding constipation by following a healthy diet and doing pelvic floor exercises.
N.B. This article has been provided for interest only. For bladder problems, always seek advice from a healthcare provider or medical practitioner.
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