BSC 1086C Chapter Notes - Chapter 16: Central Canal, Action Potential, Skeletal Muscle

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19 Aug 2020
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16. 1 overview of the nervous system: anatomical organization of nervous system. The primary function of the nervous system is to provide rapid communication within the body to maintain homeostasis. This function underlies behaviors, thinking, and control of organ functions. The nervous system uses neurons to provide its functions which include: Sensory neurons: detect external and internal stimuli and then convey sensory information into the spinal cord and brain. Association neurons: make decisions based on sensory information provided via the sensory neuron. Motor neurons: respond to the association neuron"s decision by altering the action of effector cells or organs. The nervous system is structurally divided into two subsystems. Cns: association neurons, located entirely in the brain or spinal cord (integrate sensory info, provide the source of memories and thoughts, originate all decisions to stimulate muscle and gland effector cells) Pns: receptors and sensory neurons and motor neurons in nerves divided into three different functional divisions.

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