The urethra originates from the … a … and extends through the … b… to its external opening called ….c….
A. a-ureters, b-uninary bladder, c- urethral sphincter
B. a- urinary bladder, b-testis, c-urethral meatus
C. a-penis, b-urinary bladder, c-urethral meatus
D. a-urinary bladder, b- penis , c- urethral meatus