水是生命之源,人体的70%是由水分构成的。水在人体中是溶剂、清洁剂、润滑剂、冷却剂、缓冲剂。因为水的存在,营养输送、食物消化、体温调节、废物排泄、体液循环等人体生命过程才得以顺利进行。人一旦脱水,就会造成皮肤干燥、便秘、疲劳、头痛、头昏眼花、尿路感染、关节僵硬等各种病症。为了保证正常的生理代谢,一个人每天必须饮用适量的水。但在现实工作生活中,由于人们的饮 Water is the source of life, 70% of the body is made of water. Water in the human body is a solvent, detergent, lubricant, coolant, buffer. Because of the existence of water, nutrition life, food digestion, body temperature regulation, waste excretion, body fluid circulation and other human life processes to be carried out smoothly. Once people dehydrate, it can cause dry skin, constipation, fatigue, headache, dizziness, urinary tract infections, joint stiffness and other illnesses. In order to ensure normal physiological metabolism, a person must drink a proper amount of water daily. But in the real working life, due to people’s drinking