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atrioventricular trunk

n.
1.a bundle of modified heart muscle that transmits the cardiac impulse from the atrioventricular node to the ventricles causing them to contract

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    Idiom of the Day

    a hand-out
    a gift (usually from the government)
    The government recently stopped giving hand-outs to the downtown businesses.



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    Choose an idiom to replace the expression in the brackets:
    The (final appearance) of the great opera star was a wonderful occasion.

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