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Science


Reflex Actions


A reflex action is the way the body quickly reacts to dangerous situations. It

follows a sequence which does not involve the brain.

 

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This nerve action is called the reflex arc.

 

The reflex arc process –

⇒   The receptor detects the stimulus

⇒   Sensory neurons send the impulse to the spinal chord

⇒   The spinal chord sends an impulse via the motor neurone

⇒   The effector then responds

 

 

Related Topics


Nervous System                             Receptors

Effectors                                          The Synapse