um...liquid?
The Urethra is the part of the body on males/females where urine is passed.
The nephron is the part of the kidney that produces urine.
water
filtration must be done in order to to absorb essential nutrients from renal fluid and makes the urine dilute
The urethra serves as the passageway of urine in both males and females.
It seems like you might be referring to the ureters, which are muscular tubes that carry urine from the kidneys to the bladder. The ureters are about 8 to 12 inches long and are an essential part of the urinary system.
gallbladder
The bladder.
Urine exits through the male's penis.
Urine plays NO part in dog mating.
The bladder.
The urine is part of the excretory system.