Question

What is. Reflex actions? Give two examples . Explain a reflex arc

Answer 1

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.
while touching hot thing
while pinching nail or sharp thing in skin

reflex arc isthe nerve pathway involved in a reflex action, including at its simplest a sensory nerve and a motor nerve with a synapse between.

Answer 2

Reflex action is defined as an unconscious and involuntary response of effectors to stimuli .

Examples :-

1)On touching a hot object we immediately remove our hand from the object.

2)Closing our eyes when a high intensity light falls on the eye.

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