Question

What is reflex action and reflex arc?

Answer 1

Reflex action:

1. It is an involuntary reaction to an external stimulus.
2. It is not under conscious control.
3. It occurs through the spinal cord.

Reflex arc:

1. It is the path that a stimulus takes to travel and generate a response.
2. It is a coordinated mechanism and involves receptors, sensory neurons, the spinal cord and motor neurons.