体内环境又称内环境。高等动物身体细胞赖以生存的环境条件，由组织液、血浆、淋巴液所组成的细胞外体液。它的化学组成以及物理化学特性如温度、渗透压、酸碱度等必须保持相对稳定。身体细胞在其代谢活动中不断从内环境中吸收养分和燃料，释放代谢产物和废物，通过各有关器官协调与外环境进行物质和能量交换，建立动态平衡，使内环境经常得到更新，并保持相对稳定。
双语例句原声例句
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通过建立能够更好地模拟体内环境的人类细胞和组织的体外模型，能防止许多这样的死亡。
Many of these deaths could be prevented through the development of in vitro models of human cells and tissues that better mimic in vivo environments.
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例如，研究发现了饮食变化可以减缓炎症，或使体内环境不适于癌细胞繁殖的证据。
Studies have explored evidence that dietary changes can slow inflammation, for example, or make the body inhospitable to cancer cells.
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The respiratory system plays an important role in maintaining our internal environment at the proper level of oxygen, by bringing the right amount in.
呼吸系统的重要性在于,通过向体内输入适量的氧气,维持人体内环境中的氧平衡
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It also turns out that they're made stable in these environments like milk and mucus secretions because of this secretory chain which is wrapped around it.
同时,连接抗体还可以,使抗体在像乳汁或是粘液分泌物,这样的体内环境中保持稳定,因为分泌循环系统可以将抗体包裹在内
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Well that process of control to maintain a constant environment inside our body, whether it's an environment of constant mass or constant composition, or constant temperature, is called homeostasis.
这个控制过程维持着,体内环境的恒定,不论是内环境中物质的量的稳定,或者成分的稳定,或温度的稳定,这种状态叫做内稳态
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