Central Nervous System Peripheral Nervous System Nervous System
Brain Review Questions What are the three main parts of the brain?
Brain Review Questions What are the three main parts of the brain? cerebrum cerebellum brain stem
What does the cerebrum control? • Higher memory functions • Reasoning • Higher sensory functions associated with listening, vision, and emotions
What does hemispheric dominance mean? One hemisphere of the cerebrum is used more frequently than the other.
Coordination and voluntary muscular movements. What does the cerebellum control?
Interconnection of parts of the nervous system Regulation of visceral activities What does the brain stem control?
Microglial cells • Protect the nervous system by phagocytosis of bacteria and cell waste
Oligodendrites • Form myelin (lipoprotein) within the brain and spinal cord.
Astrocytes Provide structure and support. Regulate ion and protein concentrations.
Ependymal Cells • Form a membrane around parts of the brain (ventricles and spinal cord).
Neuron Communication • http://www.youtube.com/watch?v=DF04XPBj5uc
Action Potential • http://www.youtube.com/watch?v=SCasruJT-DU
Action Potential and Synapse Neurotransmitters • http://www.youtube.com/watch?v=HXx9qlJetSU