Question

Part of the excretory system that stores urine is

• A. ureter
• B. urethra
• C. urinary bladder
• D. cortex

Answer 1

The correct option is C

urinary bladder

The correct option is C.
Explanation of the correct option:

1. The urinary bladder is a single, large thin-walled, pear-shaped organ located in the pelvic region of the abdominal cavity.
2. The urinary bladder is a temporary reservoir of urine. Urine is stored in the urinary bladder till it is passed out through the urethra.
3. By the contraction of the urinary bladder wall, urine is eliminated from the body from time to time.

Explanation of the incorrect option:
Option A:
The pelvis of the kidney posteriorly leads into a long, narrow, muscular and tubular structure known as the ureter. The main function of the ureter is to conduct urine from the kidneys to the urinary bladder.
Option B:
The urethra is a small membranous tube that carries urine at an interval from the urinary bladder to the exterior.
Option D:
The cortex is the outermost dark red zone of the kidney.

Final answer:

Part of the excretory system that stores urine is the urinary bladder.