Bio47S11HO23a

Bio47S11HO23a - Biology 47 - Human Anatomy Lecture 23a...

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1 Biology 47 - Human Anatomy Lecture 23a Nervous Tissue Nervous System : Internal Communication System a. Collects : Internal : Temperature, blood pressure, pH External: Light, Sound, Touch, Taste b. Distributes : Commands- Effector Tissue : c. Processing / Integration: Interpret & coordinate information information d. Higher Brain Functions Memory Cognition : Conscious Thought Problem solving Communication : Speech Structural (Anatomical) Division: 1. Central Nervous System ( CNS ) Consists of Central Tissue : a. b. 2. Peripheral Nervous System ( PNS ) Function : a. Perceive : Internal or External b. Send (Transduce): Sensory stimuli to : Motor stimuli to Effectors
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2 Consists of : Nerves Group of functional nerve cells in PNS a. Cranial Nerves : Exit/Enter : b. Spinal Nerves : Exit/Enter : 2 Functional Divisions : 1. Somatic Nervous System : SNS • Responsible for ALL : Sensory stimuli : Sight, Sound, Touch etc. Motor stimuli : 2. Autonomic Nervous System : ANS • Responsible for ALL : Sensory stimuli : Blood Pressure, Temperature Motor Stimuli : 2 Branches of ANS : a. Sympathetic Nervous System • Prepares for :
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Bio47S11HO23a - Biology 47 - Human Anatomy Lecture 23a...

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