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Author Question: Compare and contrast the anatomy and function of the sympathetic and parasympathetic divisions of ... (Read 59 times)

jasdeep_brar

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on: Jun 22, 2018
Compare and contrast the anatomy and function of the sympathetic and parasympathetic divisions of the ANS.
 
  What will be an ideal response?

Question 2

Describe the general functions attributed to the hypothalamus.
 
  What will be an ideal response?


sultansheikh

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Reply #1 on: Jun 22, 2018
Answer to Question 1

Answer: The divisions emerge from different levels of the spinal cord (thoracic and lumbar versus cervical/sacral); the sympathetic fibers terminate in ganglia just outside the spinal cord, use different transmitters (ACh for parasympathetic, ACh and norepinephrine for sympathetic), and show differing functions (parasympathetic is involved in increasing energy stores, sympathetic is involved in energy expenditure).

Answer to Question 2

Answer: The hypothalamus is involved in the control of the pituitary, the sympathetic division of the ANS, and motivated behaviors including feeding, fighting, fleeing, and mating.


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