下列有关神经调节和体液调节的说法正确的是 A.神经调节的信号有电信号和化学信号而激素调节仅有化学信号b.神经调节结果是使效应器作出反应 Template




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tomski下列有关神经调节和体液调节的说法正确的是 a.神经调节的信号有电信号和化学信号而激素调节仅有化学信号b.神经调节结果是使效应器作出反应 coloring