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人在生命活动过程中,不断的进行新陈代謝,在新陈代謝活动过程中,組織消耗大量的养料和氧气,这大量的养料,我們知道它来自食物,食物本身能供給身体生长發育过程及組織修补所需要的材料,同时在食物分解过程产生能量,供給維持身体的体热和工作的能力,而且食物也能供給促进組織机能發展的一些物質(維生素、盐类)。
In the process of life activities, people carry on the metabolism constantly. During the metabolic activity, the organization consumes a large amount of nutrients and oxygen. This large amount of nutrients, we know that it comes from food, the food itself can provide the body growth and development process and The tissue repairs the materials needed to repair it, and at the same time produces energy in the process of food disintegration, the ability to maintain body heat and work, and food can also supply some substances (vitamins, salts) that promote the development of the tissue.