9.1动物的运动（骨连结和骨骼肌）课件2023--2024学年京改版生物八年级上册

eative, to be brave, to persist, to be persistent, 半活动连结 椎骨 骨与骨之间不直接相连,活动范围比较小 特点: 具备一定的支撑性与灵活性 6 骨连结 In the future, we need to work together to be creative, to be brave, to persist, to be persistent, 活动连结 关节 特点:灵活性高 7 关节 In the future, we need to work together to be creative, to be brave, to persist, to be persistent, 关节囊 关节窝 关节头 关节软骨 关节腔 韧带 8 关节 In the future, we need to work together to be creative, to be brave, to persist, to be persistent, 韧带 可加强关节的稳固性。 限制关节活动方向及活动范围。 9 关节 In the future, we need to work together to be creative, to be brave, to persist, to be persistent, 关节囊 是坚韧的结缔组织,使关节牢固连接。 10 关节 In the future, we need to work together to be creative, to be brave, to persist, to be persistent, 滑液 由关节腔内面的滑膜分泌的具有黏性的液体。 保持关节良好的润滑。 11 关节 In the future, we need to work together to be creative, to be brave, to persist, to be persistent, 关节窝 关节头 关节面 保持牢固性 12 关节 In the future, we need to work together to be creative, to be brave, to persist, to be persistent, 关节软骨 透明软骨,表面光滑有良好的润滑作用。 与骨结合紧密,当受到压力时,有少许的变形,起到缓冲压力的作用。 关节面上覆盖。 13 关节 In the future, we need to work together to be creative, to be brave, to persist, to be persistent, 关节的结构如何保证了牢固性与灵活性? 牢固性 灵活性 关节面的吻合 韧带的坚韧 关节囊的包裹 关节软骨 滑液 韧带的伸展性 14 关节 In the future, we need to work together to be creative, to be brave, to persist, to be persistent, 关节囊 关节窝 关节头 关节腔 关节软骨 15 骨骼肌 skeletal muscle 05 16 骨骼肌 In the future, we need to work together to be creative, to be brave, to persist, to be persistent, 17 骨骼肌 In the future, we need to work together to be creative, to be brave, to persist, to be persistent, 运动的产生需要肌肉的参与。 18 骨骼肌 In the future, we need to work together to be creative, to be brave, to persist, to be persistent, 人体共600多块骨骼肌。 根据其所在位置可分为: 头颈肌 躯干肌 四肢肌 命名:按形状、位置、肌腱数目命名。 19 骨骼肌 In the future, we need to work together to be creative, to be brave, to persist, to be persistent, 肌腱 肌腱 肌腹 由结缔组织构成 由肌肉细胞构成,里面含有血管和神经 20 骨骼肌 In the future, we need to work together to be creative, to be brave, to persist, to be persistent, 骨和肌肉间有什么联