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人的口不中含有粘蛋白、球蛋白、氨基酸、尿素、钠、钾及多种消化酶等物质.例如口水中含有促进止血和收缩血管的物质;口水对细菌在口腔内产生的酸有中和作用,可保护牙龈,防止蛀齿;口水中含有免疫和抗菌作用等等.此外,口水中还有唾液激素,它对骨和牙齿的发育,血相钙磷代谢,蛋白质合成等都有一定的
Human mouth does not contain mucin, globulin, amino acids, urea, sodium, potassium and a variety of digestive enzymes and other substances, such as saliva contains substances that promote hemostasis and blood vessels; saliva of bacteria in the mouth have acid And the role of gums to protect against tooth decay; saliva contains immune and antibacterial effects, etc. In addition, there saliva hormones in the saliva, it has bone and tooth development, blood calcium and phosphorus metabolism, protein synthesis, etc. have a certain