What Is The Bladder|About The Bladder|Function Of Urinary Bladder|

The urinary bladder is a hollow organ in the lower abdomen.It stores urine,the liquid waste made by the kidneys.
The bladder is connected to the kidneys by two long tubes called ureters. When urine is produced by the kidneys, it travels down the ureters to the bladder, where it is stored. Urine exits the bladder into the urethra, which carries urine out of the body.
The urethra is approximately 4 cm in length for females, whereas it is about 20 cm in the male body.
The bladder is lined by layers of muscle tissue that stretch to hold urine. Most people have normal size bladders that may seem small functionally but in reality are the same size as everyone else’s.The normal capacity of the bladder is (400-600) ml.


The wall of the bladder has layers of tissue:


. Inner layer: The inner layer of tissue is also called the lining.As your bladder fills up with urine,the transitional cell on the surface stretch.When you empty your bladder,these cell shrink.
. Middle layer: The middle layer is muscle tissue.When you empty your bladder,the muscle layer in the bladder wall squeezes the urine out of your body.
. Outer layer: The outer layer covers the bladder.It has fat,fibrous tissue,and blood vessels

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