七年级生物下册4.13.1健康及其条件知识梳理(新版)北师大版.doc

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1健康及其条件 一、知识结构1、健康不仅仅是没有疾病和不虚弱,还要有完整的心理、生理状态和良好的社会适应能力。毒品损害人的大脑和心脏,影响中枢神经系统、血液循环、呼吸系统等,还会降低免疫力。2、养成健康的生活习惯:生活有规律,合理膳食,合理用药,拒绝吸烟、酗酒、吸毒。3、创建健康的环境:创建良好的居室环境;创建良好的水环境。

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