The correct pathway for the elimination of urine is option 1: Kidneys, Ureters, Bladder, Urethra. Let`s break down the options to better understand the pathway:

Option 1: Kidneys, Ureters, Bladder, Urethra

- The kidneys filter waste products and excess fluid from the blood, producing urine.

- The urine flows from the kidneys into the ureters, which are long tubes connecting the kidneys to the bladder.

- The ureters transport the urine down to the bladder, which is a muscular organ that stores urine.

- When the bladder is full, the urine is expelled through the urethra, a tube that connects the bladder to the outside of the body.

Option 2: Kidneys, Urethra, Bladder, Ureters

- This option has the wrong order. The urine should flow from the kidneys to the bladder through the ureters, not the urethra.

Option 3: Urethra, Ureters, Bladder, Kidneys

- This option has the wrong order and direction. Urine should flow from the kidneys down through the ureters to the bladder, not the other way around.

Option 4: Bladder, U