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Author Question: __________ are chemicals that are released by some species and influence the physiology and behavior ... (Read 99 times)

misspop

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on: Jun 22, 2018
__________ are chemicals that are released by some species and influence the physiology and behavior of conspecifics.
 
  Fill in the blank with the appropriate word.

Question 2

An analgesia circuit descends into the spinal cord from the __________ gray.
 
  Fill in the blank with the appropriate word.


ynlevi

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

Answer: Pheromones

Answer to Question 2

Answer: periaqueductal


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