PSYC 3430 Chapter Notes - Chapter 2: Tetraplegia, Diastole, Thyroid
22 Jan 2013
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Document Summary
The nervous system is a complex network of interconnected nerve fibres that regulate important bodily functions, including response to and recovery from stress. Sensory nerve fibres -> input to the brain and spinal cord by carrying signals from sensory receptors. Motor nerve fibres -> output from the brain and the spinal cord to muscles and other sults in voluntary and involuntary movement. Pns: nerves that connect to the brain and the spinal cord organs -> re- Provides brain with feedback as sensory information, about the voluntary movement. Connects central nervous system with all the internal organs, the organs that operate individually. Prepares the body to response to emergencies. Called a catabolic system because it is concerned with the mobilization and exertion of energy. Parasympathetic nervous system: activities of organs under normal circumstances. After an emergency, restores the body to a normal state. Conservation of body energy = anabolic system.
