During the final period of the championship hockey game, Tim is sliced across the ear by an opponent’s skate. Despite the damage to his ear, Tim continues to play the

During the final period of the championship hockey game, Tim is sliced across the ear by an opponent’s skate. Despite the damage to his ear, Tim continues to play the game, and scores the winning goal. Tim’s ability to continue playing the game despite the searing pain in his ear is likely a result of a massive release of which type of transmitter?
A) endorphins
B) dopamine
C) serotonin
D) acetylcholine


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