Question

what is reflex action? give examples explain about reflex arc.​

Answer 1

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.

Reflex action is defined as an unconscious and involuntary response of effectors to a stimulus. Example, on touching a hot object (stimulus), we immediately remove our hand from it. Other example from daily life are watering of mouth on seeing food, sneezing, blinking of eyes and yawning.

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Answer 2

Answer:

Reflex action is sudden involuntary response of the body brought about by a stimulus.

it happens without thinking.

for example when you accidentally place your hand on a sharp in your hand is immediately removed even before you have time to think. this is a reflex action.

the shortest path taken by a nerve impulse to travel from receptors to an effector in a reflex action is called a reflex arc.