Question

is the structural and functional unit of the kidney.

• A. Neuron
• B. Nephron
• C. Urethra
• D. Ureter

Answer 1

The correct option is B Nephron

<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> The nephron is the smallest unit of the excretory system that helps in the removal of nitrogenous waste from the blood. Each kidney contains more than a million tiny filtering nephrons that help in cleaning the blood.
The neuron is the basic functional unit of the nervous system.