define different components of reflex arc
Answers
Reflex arc
Reflex arc is the nerve pathway involved in a reflex action.
The components of reflex arc are :-
• Receptor: Site of the stimulus action
• Sensory Neuron: Transmits afferent impulses to thecentral nervous system
• Integration Center: In simple reflex arcs, may be a single synapse between a sensory neuron and amotor neuron(monosynaptic reflex).
• Motor Neuron: Conducts efferent impulses from the integration center to an efferent organ.
• Effector: Muscle fiber or gland cell that responds to the efferent impulses (by contracting or secreting).
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Answer:
there are 5 main components
Explanation:
receptors - detect the event(hot/cold,etc)
sensory neuron- carries information about the event
spinal cord-determines the action along with sending information to our brain
relay neuron- decides the body part to which the action is to be made
motor neuron- reaches the muscle
effector- makes the muscle move