If you cough or roll over frequently, you could have undiagnosed sleep apnea, a condition wherein the muscles around your respiratory system relax and disturb your slumber.
要是发现自己在睡觉时老是咳嗽或是翻身,那么你很可能是患有鼾症。
2
Our ventilatory capacity—the ability to move oxygen in and out of our lungs — increases as we develop our respiratorymuscles.
我们的呼吸能力---我们肺部输入和输出氧气的能力---随着我们呼吸肌肉的发达而提高。
3
It can cause botulism, a potentially fatal disease that affects the muscles and can cause respiratory problems.