 Cells, Tissues, and Organs 细胞，组织和器官 by 丹妮  学习目标 1.了解生物体由简到繁的层次 2.描述细胞的基本结构 3.识别并使用与细胞、组织相关的前缀、词根和后缀 生物体的演变 
细胞 
The cell is the basic unit of living organisms. Cells accomplish all the activities and produce all the components of the body. They carry out metabolism, the sum of all the body’s physical and chemical activities. They provide the energy for metabolic reactions in the form of the chemical adenosine triphosphate (ATP), commonly described as the energy compound of the cell. The main categories of organic compounds contained in cells are: A.Proteins, which include the enzymes, some hormones, and structural materials. B.Carbohydrates, which include sugars and starches. The main carbohydrate is the sugar glucose, which circulates in the blood to provide energy for the cells. C.Lipids, which include fats. Some hormones are derived from lipids, and adipose (fat) tissue is designed to store lipids 细胞是生物体的基本单位，细胞完成机体的所有活动，产生机体的所有成分。它们进行新陈代谢，是身体所有物理和化学活动的总和。它们以化学物质三磷酸腺苷（ATP）的形式为代谢反应提供能量，通常被称为细胞的能量化合物。细胞中所含的有机化合物主要有： A.蛋白质，包括酶、一些激素和结构材料 B.碳水化合物，包括糖和淀粉。主要的碳水化合物是葡萄糖，它在血液中循环，为细胞提供能量。 C.脂质，包括脂肪。有些激素来源于脂质，脂肪组织被设计用来储存脂质 组织  
 学习笔记：看图复习哦  点击空白处查看答案 【下期预告】Organs  历史好文回顾 【周五】Medical Terminology 医学术语：前缀 【周六】Medical Terminology 医学术语：后缀 |
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