What happens to the body if you hold your urine?

People should urinate at least 4 to 6 times a day but sometimes due to the pressure of life and work that forces us to urinate.

The question is: Why can we fast? How long can we endure? And how harmful is this habit?

Picture 1 of What happens to the body if you hold your urine?
The key lies in the mechanism of the bladder , an oval bag in the pelvis.Surrounding the bladder is a few other organs that form the urinary system.Two kidneys, two urine ducts, two catheters and a catheter.

Picture 2 of What happens to the body if you hold your urine?
Yellow liquid flows down from the kidney called urine.The kidneys make urine from a mixture of water and body waste, urine is pumped through two tubes that lead to an empty organ called a bladder.The body's walls are made up of tissues called bladder muscles when the bladder is full of muscles that relax and cause the bladder to expand like a balloon.

Picture 3 of What happens to the body if you hold your urine?
When the bladder is stretched, the urethral sphincter automatically opens, urine enters the catheter and stops at the urethral sphincter.This mechanism is like a switch, if you want to hold your urine, keep your sphincter closed.When you want to urinate, you can actively 'open the flood gate'.

Picture 4 of What happens to the body if you hold your urine?
But how do you know when your bladder is full to urinate?Inside the bladder muscle layers are millions of pressure receptors that will be activated when the bladder is full of urine.They send signals according to nerves to the spinal cord.The feedback signal is sent back to the bladder, which causes the bladder muscles to contract slightly and increase the pressure that makes you feel that your urine is filling.At the same time, the internal urinary sphincter opens, this is called a urination reflex.

Picture 5 of What happens to the body if you hold your urine?
The brain can resist this reflex if you don't want to urinate by sending another signal to contract the urethral sphincter.

Picture 6 of What happens to the body if you hold your urine?
With about 150-200ml of urine, the bladder wall dilates just enough for you to notice urine.About 400 to 500ml, the pressure increased to a level that was uncomfortable.The bladder may continue to stretch but there are limits.

Picture 7 of What happens to the body if you hold your urine?
Above 1000ml, bladder may rupture.Most people will lose their bladder control before it breaks, but in rare cases that do not feel peeing, the bladder can break painfully and need surgery to sew.

Picture 8 of What happens to the body if you hold your urine?
When you are ready to flood, the signal from the brain to the external urethral sphincter will be disconnected and cause it to relax, urine is discharged.The external urethral sphincter is one of the muscles of the pelvic floor, which helps support the catheter and bladder neck.

Picture 9 of What happens to the body if you hold your urine?
It's fortunate to have these pelvic floor muscles because when you cough, sneeze, laugh or dance, the pressure created on the whole system can cause your bladder to urine.Pelvic floor muscles keep the area sealed until you are ready to urinate.

Picture 10 of What happens to the body if you hold your urine?
Although this mechanism helps us not fall down at the door of paradise, if abusing them such as urinating for too long, then urinating too quickly or urinating in the wrong position can weaken these supporting muscles over time. time. It can cause bladder or urinary incontinence . So if you are interested in long-term health, urination is not a good habit .