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neural communication
neurons
a nerve cell; the basic building block of the nervous system
glial cells
cells in the nervous system that support, nourish, & protect neurons; they also play a role in learning, thinking, & memory
reflex arc
the shortest pathway for an impulse to travel from the receptor organ via the central nervous system to the effector (sensory → interneuron → motor)
sensory neurons
neurons that carry incoming information from the body's tissues & sensory receptors to the brain & spinal cord
motor neurons
neurons that carry outgoing information from the brain & spinal cord to the muscles & glands
interneurons
neurons within the brain & spinal cord; they communicate internally & process information between the sensory inputs & motor outputs
Note 
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