1. 

   Sylvia New Member

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   Which of the following requires the action of a first class lever in the body? A. Jumping b. Push-ups c. Waving d. Nodding

    

   Sylvia, Jan 2, 2018

   #1
2. 

   Ruyet New Member

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   Feb 26, 2013

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   D. NoddingThe first class lever system is found in the neck at the atlanto-occipital joint and in the elbow joint

    

   Ruyet, Jan 2, 2018

   #2

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