Question

What does the term reflex action mean?
Give an example.

Answer 1

Answer:

In a reflex action, the spinal cord along with the brain stem is responsible for the reflex movements

Explanation:

A few examples of reflex action are: When light acts as a stimulus, the pupil of the eye changes in size. Sudden  withdrawal of hand or leg when pricked by a pin.

Answer 2

Answer:

A reflex, or reflex action, is an involuntary and nearly instantaneous movement in response to a stimulus. A reflex is made possible by neural pathways called reflex arcs which can act on an impulse before that impulse reaches the brain.

Explanation:

When light acts as a stimulus, the pupil of the eye changes in size. Coughing or sneezing, because of irritants in the nasal passages.