Question

<br />5. What is reflex action ? State its importance.​

Answer 1

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What is reflex action?

The reflex action is defined as an involuntary response of effectors to the stimulus. It allows us to protect ourselves from any sudden stimulus which may harm us. This means ensuring survival of an organism.

What is the Significance of Reflex Action?

Reflex action is an involuntary response of effectors to the stimulus and it helps us in protecting us from any sudden stimulus which may harm us and thus takes care of the survival of an organism.

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Answer 2

Answer:

Reflex action : It is defined as an unconscious, automatic and involuntary response of effectors, i.e. muscles and glands, to a stimulus, which is monitored through the spinal cord.

Significance : The deep tendon reflexes provide information on the integrity of the central and peripheral nervous system. Generally, decreased reflexes indicate a peripheral problem, and lively or exaggerated reflexes a central one.