The muscular tube through which stored urine is passed out of the body is called .
The muscular tube through which stored urine is passed out of the body is called ____. Explain.
(a) kidney
(b) ureter
(c) urethra
(d) urinary bladder
Name the muscular tube which eliminates the urine out of the body.
A mutation which substitutes one purine base with another purine base is called as?