what are the functions of reflex arc
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In the simplest arrangement, the receptor-adjustor-effector units form a functional group known as the reflex arc. Sensory cells carry afferent impulses to a central interneuron, which makes contact with a motor neuron. The motor neuron carries efferent impulses to the effector, which produces the response.
a stimulus is detected by a receptor cell, which synapses with a sensory neuron.
- The sensory neuron carries the impulse from site of the stimulus to the central nervous system (the brain or spinal cord), where it synapses with an interneurone.
- The interneurone synapses with a motor neuron, which carries the nerve impulse out to an effector, such as a muscle, which responds by contracting.
The neural path of a reflex is called reflex arc.
a stimulus is detected by a receptor cell, which synapses with a sensory neuron.
- The sensory neuron carries the impulse from site of the stimulus to the central nervous system (the brain or spinal cord), where it synapses with an interneurone.
- The interneurone synapses with a motor neuron, which carries the nerve impulse out to an effector, such as a muscle, which responds by contracting.
The neural path of a reflex is called reflex arc.
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