During a pain withdrawal reflex impulses are sent through different nerves and to the spinal cord. This reflex does not make it to the brain but only to the spinal cord. We call this involuntary action because we dont control reflexes. The sensory neurons are the first to recieve the impulse, then they travel to the interneurons, or associative neurons, and then they go to the motor neurons which carries the impulse to the central nervous system. Then the effector is the response, so in this case your musscle will contract.
The reflex arc is the simplest neural circuit.
decussation
1000
2 neuron pathway (or arc)
as a part of the olfactory reflex pathway
Sensory receptor, afferent neuron, efferent neuron, effector organ.
Metabolic pathway is the sum total of all the biochemical reactions in our body. It regulation or control is done by our genetic system through both hormonal and nervous control.
It serves as a pathway for association of olfactory and visceral functions.
A reflex
Probably it is an intermediate pathway in the strio-olivo-spinal connections
beatroot
hematopoietic stem cell (hemocytoblast)