Which are the major organs of the urinary system?

Which are the major organs of the urinary system?

• A. Kidney, bladder, ureter, urethra.
• B. Lungs, heart, liver, spleen.
• C. Brain, spinal cord, nerves, muscles.
• D. Esophagus, stomach, intestine, rectum.

Answer: (A)

The major organs of the urinary system are the kidney, ureters, bladder, and urethra. The kidneys filter blood to form urine, removing waste and helping regulate fluid and electrolyte balance and acid-base status. Urine travels from the kidneys through the ureters by waves of contraction to the bladder, where it is stored until it’s convenient to void. The bladder holds urine until micturition, and the urethra provides the exit route for urine from the body. Why this set fits the urinary system: the listed organs work together to form, transport, store, and excrete urine, which is the primary function of this system. The other options include organs from the respiratory, cardiovascular, nervous, digestive, or integumentary systems, not directly involved in urine production or elimination.

The major organs of the urinary system are the kidney, ureters, bladder, and urethra. The kidneys filter blood to form urine, removing waste and helping regulate fluid and electrolyte balance and acid-base status. Urine travels from the kidneys through the ureters by waves of contraction to the bladder, where it is stored until it’s convenient to void. The bladder holds urine until micturition, and the urethra provides the exit route for urine from the body.

Why this set fits the urinary system: the listed organs work together to form, transport, store, and excrete urine, which is the primary function of this system. The other options include organs from the respiratory, cardiovascular, nervous, digestive, or integumentary systems, not directly involved in urine production or elimination.