据统计,我国3～14岁儿童意外死因中,溺水占第一位,南方多于北方,农村多于城市,主要集中在每年5～9月份,孩子自己到河边、池塘边游泳、玩水是导致溺水的常见原因。医学生理学告诉人们,溺水时大量水分、泥沙等杂物经口鼻进入肺内造成窒息,也可因喉部受强烈刺激引起喉头痉挛或声带关闭而窒息。如不及时抢救,一般5～6分钟,呼吸、心跳即 According to statistics, among children aged 3-14 in China, drowning accounts for the largest proportion of drowning deaths in the country, with more in the south than in the north and more in rural areas than in urban areas, mainly from May to September each year. Children swim to the riverside and ponds to play with water Is a common cause of drowning. Medical physiology to tell people that when drowning large amounts of water, sediment and other debris through the mouth and nose into the lungs caused by suffocation, but also due to strong stimulation of the throat caused by laryngeal spasm or vocal cord closure and suffocation. If not rescued, usually 5 to 6 minutes, breathing, heart rate