Human excretory system consists of two kidneys, a pair of
ureters, a urinary bladder and a urethra.
The urethra is a membranous tube starting from the neck of
the bladder up to the external urethral orifice.
Male Urethra vs Female Urethra
Male
Urethra
 |
Female
Urethra
|
It is about 20 cm in length
|
It is about 4 cm in length
|
It has three regions: prostatic urethra(3-4cm), membranous(1cm) and
penial(15cm)
|
It is not differentiated into regions
|
It opens out at the tip of the penis by urinogenital aperture
|
It opens by urinary aperture in front of vaginal aperture.
|
It carries urine as well as semen to the exterior
|
It carries urine only to the exterior
|
Correct!
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