Please Describe the Pathway Involved for Formation and Excretion of Urine

Please describe the pathway involved for formation and excretion of urine.

A) Nephrons in the kidneys filter blood, draining the waste products into the floor of the kidney, ureters drain the urine from the kidneys into the bladder, and the urethra drains the bladder, passing urine outside of the body.
B) Nephrons in the kidneys filter blood, draining the waste products into the floor of the kidney, the urethra drain the urine from the kidneys into the bladder, and the ureters drain the bladder passing urine outside of the body.
C) The bladder produces urine from the ureters; the urethra drains the bladder of urine to outside the body.