This is the endpoint of the urinary system .

Urine and other wastes start from kidney and then to the bladder prior to passing through the urethra.

This tube, the urethra, connects the bladder to the outside of the body.

Control of excretion of urine is through the urethral sphincter.

Male: The urethra also has a role in sexual reproduction because the function
of the urethra is a passageway for semen.

Male Urethra

Is about 8 inches long and travels from the bladder and opens at the end of the penis.

There is a spiral groove found inside the urethra

This allows the urine a larger or wider stream flow.

There are 4 main parts

1.) Pre-prostatic urethra
2.) Prostatic urethra
3.) Membranous urethra
4.) Spongy or Penile Urethra

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