Question

Which part of the nervous system gives impulse to the motor neuron to remove the hand ?

Answer 1

it's the nerve cells and the brain

Answer 2

The brain and the nerve cell work together towards sensation in human and other life forms in the animal kingdom.

Whenever you touch a hot or a cold object, a sensation automatically passes from the point of contact through the nerve cells and is immediately recognized by the brain.

The brain then passes impulse to the motor neuron that helps in motor neuron.