Bio221NervousSystemandNervousTissue

Canbedividedintotwoareaspnscnsnervesandcns pnsnerves

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Unformatted text preview: nial ­ extend directly from the brain b. spinal ­ extend from the spinal cord to the rest of the body 2. can be divided into two areas: PNS ­> CNS nerves, and CNS ­> PNS nerves a. sensory (afferent) division ­ carries impulses from the receptors to the CNS i. somatic ­ stimuli comes from the skin, skeletal muscles, etc. ii. visceral ­ stimuli comes from the internal organs b. motor (efferent) division ­ carries impulses from the CNS to effectors i. somatic ­ voluntary control of skeletal muscle...
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This note was uploaded on 01/15/2014 for the course BIO 221 taught by Professor Profmendes during the Fall '13 term at SUNY Brockport.

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