Question
What is meant by a reflex arc? Mention its components in proper sequence and their functions in a reflex action.
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Answer
The path followed by the stimulus upto eliciting a response in a reflex action is called reflex arc.
The components and functions of a reflex are in a reflex action are as follows:
The components and functions of a reflex are in a reflex action are as follows:
- Specific receptor receive a stimulus and set up a sensory impulse.
- Afferent neuron brings sensory impulse from receptor to central nervous system.
- Intermediate neuron transfers impulse from afferent neuron to efferent neuron.
- Efferent neuron carries motor impulse from central nervous system to specific effector.
- Effector is the organ/ gland, which functions according to the impulse received.
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