Railways PYQCBT 1 2020

RRB NTPC · Question 30

Which of the following is composed of nerve fibres that mediate reflex actions and that transmit impulses to and from the brain?

  1. Spinal cord

  2. Heart

  3. Rib cage

  4. Muscles

Show answer & explanation

Answer: (A) Spinal cord

Explanation

The spinal cord carries impulses between the brain and the body and is the centre of reflex actions.