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Question
Which of the following is not involved in knee- jerk reflex?
Which of the following is not involved in knee- jerk reflex?
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Solution
The correct option is C Brain
A reflex arc defines the pathway by which a reflex travels—from the stimulus to sensory neuron to motor neuron to reflex muscle movement. Brain is not involved in any reflex action (e.g., knee-jerk relfex) while the muscle spindle, inter neuron and motor neuron are the part of reflex arc.
A reflex arc defines the pathway by which a reflex travels—from the stimulus to sensory neuron to motor neuron to reflex muscle movement. Brain is not involved in any reflex action (e.g., knee-jerk relfex) while the muscle spindle, inter neuron and motor neuron are the part of reflex arc.
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