Chapter 4

Chapter 4 - • Somatic Nervous System – skeletal nervous...

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Chapter 4 The Nervous System: A Basic Blueprint Function of a nervous system is to gather and process information, produce responses to stimuli, and coordinate the workings of different cells. CNS – receives, processes, interprets, and stores incoming sensory information – information about tastes, sounds, smells, color, pressure on the skin, the state of internal organs. Spinal Cord – extension of the brain. Bridge between the brain and the parts of the body below the neck. Spinal Reflexes – automatic, require no conscious effort. (hot iron) Peripheral Nervous System – handles the central nervous system’s input and output. Includes sensory and motor nerves
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Unformatted text preview: • Somatic Nervous System – skeletal nervous system, consists of nerves that are connected to sensory receptors. (feel a bug on arm) • Automatic Nervous System – regulates functioning of blood vessels, glands, and internal (visceral) organs such as the bladder, stomach, and heart. (crush fast heart beat, sweaty palms) o Sympathetic Nervous System – accelerator of car, mobilizing the body for action and output of energy. (blush, sweat, and breathe deeply) o Parasympathetic Nervous System – like the brake. Slow things down and keep them running smoothly, enables the body to conserve and store energy....
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This note was uploaded on 03/11/2011 for the course PSYCH 001 taught by Professor Benbassi during the Spring '08 term at GWU.

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