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3. How Does the Bladder Work?

When the bladder is full and receives the signal to empty, the muscles in the bladder contract. This causes two valves (sphincters) to open and release a flow of urine. The urine goes into the tube-like urethra, which carries it out of the body. This trip is a bit longer in men than in women: in men, this waste must travel the length of the penis.

how does The bladder work

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