Nervous System Study Guide • What two major cell types are in brain? Know each’s role • Parts of a neuron? • Electrical vs Chemical Signals • What happens during depolarization/hyperpolarization/refractory period? • Know the role of neurotransmitters, how they are released, how they are removed, and which NT’s are excitatory, inhibitory, or both. • Know all Divisions of the nervous system • Know these parts of the brain and what they do: medulla, pons, cerebellum, corpus callosum, thalamus, hypothalamus, amygdala, frontal, parietal, occipital, and temporal lobes • Know ventricle locations and connections • Know the difference between in vitro and in vivo • Know the difference between the different scans • Bellringers • Know mechanisms of sense of smell and taste • Know the structures of the eye that I mentioned: cornea, iris, pupil, lens, ciliary body, retina, fovea, macula • Know the cell types in the retina • Know the structures of the ear