青少年学生要德、智、体、美全面发展,要注意形体美。新型的形体美是时代所赋予的健康指标,是国家民族素质的具体体现之一。要形体美除积极参加体育锻炼外,科学的饮食亦非常重要。新鲜的蔬菜和水果中含有大量的维生素C、维生素A、胡萝卜素、纤维素及微量元素等物质,能增进青少年防病治病的能力,助长生长发育,对脑功能的发育有较大的辅助协调作用,使头脑反应更灵活。蔬果中大量的纤维素能防止肥胖、臃肿。细白的皮肤是形体美的体表体现,白晰的体表惹人喜爱。在人的表皮基底层细胞间,分布着黑色素细胞,它含有的酪氨酸酶,可将酪氨酸酶氧化成为多巴和多巴醌,再经过系列的代谢,便可生成黑色素。黑色素生成得越多,皮肤就越黝黑;反之,则皮肤就 Young students should develop all-round virtue, wisdom, body and beauty and pay attention to the beauty of body shape. The new form of beauty is the health indicators endowed by the times, is one of the specific embodiment of the national ethos. In addition to being physically active in physical exercise, scientific diet is also very important. Fresh vegetables and fruits contain a lot of vitamin C, vitamin A, carotene, cellulose and trace elements and other substances, can enhance the prevention and treatment of adolescents disease ability to promote growth and development, greater support for the development of brain function Coordination, so that the brain response more flexible. A lot of cellulose in fruits and vegetables can prevent obesity, bloated. Fine white skin is the embodiment of the physical appearance of the body, white body of the table favorite. In human epidermal basal cells, the distribution of melanocytes, which contain tyrosinase, tyrosinase can be oxidized into dopa and dopaquinone, and then through a series of metabolism, can generate melanin. The more melanin generated, the darker the skin; the other hand, the skin is