Which of the following is the correct pathway for passage of urine in humans?
(a) Collecting tubule $\rightarrow$ Ureter $\rightarrow$ Bladder $\rightarrow$ Urethra
(b) Renal vein $\rightarrow$ Renal ureter $\rightarrow$ Bladder $\rightarrow$ Urethra
(c) Pelvis Medulla $\rightarrow$ Bladder $\rightarrow$ Urethra
(d) Cortex $\rightarrow$ Medulla $\rightarrow$ Bladder $\rightarrow$ Ureter