有人在运动时不喜欢用嘴呼吸,因为用嘴呼吸不能像鼻腔那样能过滤空气中的细菌和灰尘,也不能使吸入的空气加温变得湿润,从而刺激心肺。其实,只要运动时选择空气新鲜的地方,并且有意识地在冷空气中逐步加强锻炼,这个问题是可以克服的,真正科学的 Some people do not like to breathe in their mouths when exercising, because breathing through their mouths can not filter bacteria and dust in the air as they do in the nasal cavity, and they can not warm and humidify the inhaled air to stimulate the heart and lungs. In fact, as long as the movement of fresh air to choose the place, and consciously gradually strengthen the exercise in the cold air, this problem can be overcome, the real science