Reflex arc | reflex action | NMDCAT 2021

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About This Video ........................
In This Video Lecture You Will Learn Basic Concept Of Reflex Arc
Reflex Arc
Flow of impulse through the nervous system involving receptors, neurons, and efectors will be
clear if we study an example of a reflex arc.
This simple reflex circuit includes each of the four elements of a neural pathway. (1) The sensory
neuron, also in the cord. The axon of the motor neuron carries action potentials to (4) muscles,
neuron stimulates (2) an association neuron in the spinal cord, which in turn stimulates (3) a motor
causing them to contract and withdraw the body part from the damaging stimulus. The sensory
neuron also makes a synapse on association neurons not involved in the relex that carry signals to
neuron has pain-sensitive endings in the skin and a long iber leading to the spinal cord. That
the brain, informing it of the danger.
Refkex arc is the path way of passage of impulse during a reflex action. Relex action is a type of
involuntary action. (Fig. 17.3). The direction of stimulus is from receptors to sensory neuron to
associative (association / relay) neuron and then through motor neuron to the effectors.
About This Channel.....................
I make these videos cause I love to draw and connect the complexity of science and medicine into art. I'm not saying. I'm 100% correct in all my videos, but I do try to obtain the information from credible sources.
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Visit My Other Channel Playlist .....................
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