每天清晨或傍晚,选择一处空气清新之地,做主动“咳嗽”运动,是保持肺部干净,防止血液变脏的妙招之一。做法是:先深吸一口气,吸气时缓缓抬起双臂,然后用力咳嗽,并迅速垂下双臂,迫使气流从口、鼻喷出, Every morning or evening, choose a fresh air, take the initiative “cough ” exercise, is to keep the lungs clean, prevent blood dirty one of the coup. Approach is: first take a deep breath, breathing slowly raised his arms, and then forced cough, and quickly dropped his arms, forcing air flow from the mouth and nose,