Khan Academy Static

3A: The very fact that you are able to understand this sentence means that neurons in your brain (85 billion in total) are talking to each other. Neurons are the living substance of the nervous system, which extends beyond the brain to the spinal cord and peripherally, allows you to think and process, make decisions, stand up straight, maintain your heart rate, rest and digest. You will come to appreciate the structure and function of the nervous system as we delve into its anatomy and physiology, from the gray and white matter to the cerebellum to the neurons.

14956_Muscle_stretch_reflex.html

14953_Functions_of_the_nervous_system.html

14965_Neurotransmitter_anatomy.html

14961_Cerebellum.html

14967_Lesion_studies_and_experimental_ablation.html

14954_Motor_unit.html

14957_Autonomic_nervous_system.html

14958_Gray_and_white_matter.html

14960_Somatosensory_tracts.html

14963_Subcortical_cerebrum.html

14966_Early_methods_of_studying_the_brain.html

14952_Structure_of_the_nervous_system.html

14968_Modern_ways_of_studying_the_brain.html

14959_Upper_motor_neurons.html

14962_Brainstem.html

14964_Cerebral_cortex.html

14955_Peripheral_somatosensation.html