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Author Question: Unlike false smiles, Duchenne smiles always involve the __________ muscles. Fill in the blank ... (Read 53 times)

clmills979

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Unlike false smiles, Duchenne smiles always involve the __________ muscles.
 
  Fill in the blank with the appropriate word.

Question 2

In many mammals, social aggression often depends greatly on the organizational and activational effects of __________.
 
  Fill in the blank with the appropriate word.



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jonathanballen97

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Answer to Question 1

Answer: orbicularis oculi

Answer to Question 2

Answer: testosterone




clmills979

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Reply 2 on: Jun 22, 2018
Great answer, keep it coming :)


blakcmamba

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Reply 3 on: Yesterday
:D TYSM

 

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