Reflex Arc Diagram Drawing Coloured / reflex action labelled diagram easy

Hi friends,
A reflex arc is a neural pathway that controls a reflex. In vertebrates, most sensory neurons do not pass directly into the brain, but synapse in the spinal cord.Most of the common reflexes are a response to all the well-trained, accumulated knowledge of caution that we have internalized. It could be anything and ranges from the reflex action of abruptly withdrawing the hand as it comes in contact with an extremely cold or hot object. This action is termed as the reflex action. It has a subtle relation to instinct.

A brief description of the events that take place:

1. it begins with receptor detecting the stimulus or a sudden change in the environment, where the instinct again has a role to play. The stimulus is received from a sensory organ.
2. the sensory neuron sends a signal to the relay neuron.
This is followed with the relay neuron sending the signal to the motor neuron.
3. the motor neuron sends a signal to the effector.
The effector produces an instantaneous response.


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