Question

The nephrons discharge their urine at the

• A. urinary bladder
• B. urethra
• C. renal pelvis
• D. renal pyramid

Answer 1

The correct option is C

renal pelvis

Explanation of the correct option:

The correct option is C:

1. Nephrons are highly-coiled tube-like structures that are known as the structural and functional units of the kidney.
2. They are made up of two parts namely - the malpighian body and renal tubules.
3. The nephrons play an inevitable role in urine formation.
4. After the urine is formed, it is discharged by the nephrons at the renal pelvis.

Explanation of the incorrect options:

Option A:

1. The urinary bladder is the temporary storage of urine where it receives the urine through the ureters from the renal pelvis.
2. The urine is not directly discharged by the nephrons here.

Option B:

1. The urethra is a small fibro-muscular tube that releases the urine out of the body by the reflexes set by the bladder.

Option D:

1. Renal pyramids are cone-like structures and are kidney tissues also known as medullary pyramids.
2. They collect urine from the outer part of the kidney and send it to the renal pelvis.

Final answer:

The nephrons discharge their urine at the renal pelvis.