Another experiment demonstrated that physical exercise, which was sufficiently vigorous to double the rate of breathing, had no effect on the frequency of yawning.
另一项实验表明，体育运动——尤其是剧烈的运动——可以使呼吸频率增加一倍，但这对打哈欠的频率没有影响。
Music also affects breathing rate and electrical resistance of the skin.
音乐也可以影响呼吸频率和皮肤的电阻值。
It was found that slow music could slow the heartbeat and the breathing rate as well as bring down blood pressure.
这些研究发现舒缓的音乐能够减缓心跳和呼吸频率，以及降低血压。
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