Question

___is a functional part of a kidney.

Answer 1

Kidneys:

1. The main excretory organ of the human body is kidneys.
2. There are one pair of kidneys which filter blood and remove waste products in the form of urine.

Nephrons:

1. A kidney is formed of millions of small units called nephrons.
2. Nephrons deal with the ultrafiltration of blood.
3. Nephrons are considered as the structural and functional part of the kidney.

Final answer: Nephron is a functional part of a kidney.