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Chapter 17: The Nervous System
Autonomic Nervous System
13
Anatomy
Undergraduate 1
12/10/2011

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Term
What is the function of the Autonomic Nervous System?
Definition
  • regulates body temperature
  • coordinates cardiovascular, respiratory, digestive, excretory, and reproductive functions
  • adjusts internal water, electrolyte, nutrient, and dissolved-gas concentrations in body fluids
Term
What are the 2 divisions of the ANS?
Definition
  1. parasympathetic 
  2. sympathetic
Term
Sympathetic division
Definition
"fight or flight" because an increase in sympathetic activity generally stimulates tissue metabolism, increases alertness, and prepares the body to deal with emergencies
Term
Parasympathetic division
Definition
this division is often called the "rest and repose" system because it conserves energy and promotes sedentary activities, such as digestion
Term
epinepherine
Definition

aka: ADRENALINE

 

released by the adrenal gland when stimulated

Term
norepinephrine
Definition

aka: NON ADRENALINE

 

secreted by the adrenal gland when stimulated

Term
sympathetic activation
Definition
in a crisis when the entire division responds to an event
Term
__________ stimulates both alpha receptors and beta receptors
Definition
epinephrine
Term
____________ primarily stimulates beta receptors
Definition
norepinephrine
Term
dual innervation
Definition
organs that receive instructions from both the sympathetic and parasympathetic divisions
Term
limbic system
Definition
memories, emotional states
Term
thalamus
Definition
sensory information
Term
cerebral cortex
Definition
concious thought processes
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