13.图1是当a接受一定强度刺激后引起f收缩过程的示意图.图2为图1中某结构的放大示意图.请回答1图1中f表示的结构是效应器图2是图1 Template




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tomski13.图1是当a接受一定强度刺激后引起f收缩过程的示意图.图2为图1中某结构的放大示意图.请回答1图1中f表示的结构是效应器图2是图1 coloring