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如果没有日光,任何有生命的东西都不能生存。在人体成长过程中,日光对身体的作用特别重要。日光照射能改善新陈代谢,增加血液中红血球数量和血红蛋白含量,改善淋巴液的成分,对消化系统的蠕动和胰腺的功能起良好作用,能提高人体的总体健康水平及其抗感染能力。
If there is no sunlight, any living things can not survive. In the process of human growth, the role of sunlight on the body is particularly important. Sunlight can improve metabolism, increase blood red blood cell count and hemoglobin content, improve the composition of the lymphatic fluid on the digestive system and pancreatic function play a good role, can improve the overall human health and anti-infective ability.