Question

Explain Reflex action.

Answer 1

A reflex action, differently known as a reflex, is an involuntary and nearly instantaneous movement in response to a stimulus. Scientific use of the term "reflex" refers to a behavior that is mediated via the reflex arc; this does not apply to casual uses of the term "reflex".

Answer 2

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Reflex Action :

• It is an unconscious , involuntary and automatic response to the stimuli.

• Examples : Sudden blinking when an insect comes very near to the eyes , Coughing or sneezing etc.

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

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