The neuron constitutes the functional unit of the nervous system, and there are many billions of neurons in the brain.1,4,5 Each neuron has the ability to connect with up to a thousand other neurons via specialized sites of communication called synapses, creating complex neural circuits.1,2 A simplified neuron is shown on the slide, along with explanations of its various component parts.1
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The gustatory system detects taste stimuli on the tongue and relays this information through brainstem and thalamic pathways to the gustatory cortex.
Movement is controlled by a network of brain and spinal cord structures that work together to plan, initiate, coordinate, and execute actions.