现行《生理卫生》教材在消化系统一章中营养成分的吸收里谈到:“胃能吸收少量的水、无机盐和酒精,小肠是主要的吸收器官,葡萄糖、氨基酸、甘油、脂肪酸以及大部分水、无机盐和维生素是由小肠吸收的。” The current “Physical Hygiene” textbook says in the absorption of nutrients in the digestive system chapter: “The stomach absorbs a small amount of water, inorganic salts and alcohol, the small intestine is the main absorption organ, glucose, amino acids, glycerin, fatty acids and most Water, inorganic salts and vitamins are absorbed by the small intestine.”