人在参加剧烈运动时,往往觉得嗓子发干、口苦。有的人认为自己生了病,常常到医院求医取药。其实,这不是病,是由于唾液腺分泌减少的缘故。唾液腺分泌减少的原因很多,主要有以下几种: 一、剧烈运动时,大量出汗,血液中的水份明显减少。二、剧烈运动时,血液的流向发生改变,大部分流向脑、心脏和运动部位的肌肉。而身体其它部位的血液,包括腺体(唾腺),明显减少,使唾液分泌也明显减少。三、剧烈运动时,呼吸加快,口中的 When people participate in strenuous exercise, they often feel their throat dry and mouth bitter. Some people think they are sick, often go to the hospital for medicine. In fact, this is not a disease, due to the reduction of salivary gland secretion. Salivary gland secretion decreased for many reasons, mainly in the following categories: First, strenuous exercise, a large number of sweating, blood significantly reduced water. Second, strenuous exercise, the blood flow changes, most of the flow to the brain, heart and muscle parts of the sport. The blood of other parts of the body, including the glands (salivary gland), significantly reduced the salivary secretion was also significantly reduced. Third, strenuous exercise, breathing speed up, the mouth