What is the correct sequence of the components of a reflex arc?
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8
the correct sequence is like this :
-receptors
-sensory neuron
-spinal cord (relay neuron)
-effector
-receptors
-sensory neuron
-spinal cord (relay neuron)
-effector
Answered by
15
What is the correct sequence of the components of a reflex arc?
❶❫ Receptor or Sensory 0rgan:
It receives the stimulus & initiate a sensory impulse.
❷❫ Sensory or Afferent Nerve:
It carries the impulse from receptor organs to spinal cord.
❸❫ Spinal cord:
It changes sensory impulse into a motor impulse.
❹❫ Motor or Efferent Nerve:
It conduct the nerve impulse from spinal cord to the effector organs.
❺❫ Effector organ:
It gives the response producing movement of some muscles or secretion from a gland.
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