Multiple choice

What is the structural and functional unit of nervous system?

  1. Nephron

  2. Brain

  3. Neuron

  4. Sarcomere

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The neuron (nerve cell) is the fundamental structural and functional unit of the nervous system. Neurons are specialized cells that transmit electrical and chemical signals throughout the body. Nephrons are kidney units, sarcomeres are muscle units, and while the brain is an organ composed of neurons, it's not the basic unit itself.