Question

which depicts the correct order for excretion of urine?
a collecting ducts, urethra, bladder, ureter
b collecting ducts, ureters, urethra, bladder
c collecting ducts, bladder, ureters, urethra
d collecting ducts, ureters, bladder, urethra

Explanation:

The urine is first formed in the collecting ducts. Then it travels through the ureters to the bladder (where it is stored). Finally, it is excreted out through the urethra.

Answer:

D. collecting ducts, ureters, bladder, urethra