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三、学龄中、晚期(指中学生阶段,从十一岁——一十六岁)身心发展的特征和教育1.身体发育的特征和教育进入学龄中期的学生,身体各部分都迅速发展,特别是身高增长很快。骨骼仍富于弹性,可塑性较大,容易弯曲变形。肌肉柔软,力量和耐力都比成人差,因此他们运动量不能过大,劳动强度不能过重。在神经系统方面,大脑机能有显著发展,脑神经细胞的分化机能接近成人的水平。高级神经中枢的兴奋性强,兴奋点不容易集中,表现在行动上灵活、多变,喜欢
Third, the school-age, late (referring to the stage of secondary school students, from age 11 - 16 years old) characteristics of physical and mental development and education 1. Physical development characteristics and education Into the school-age students, rapid development of all parts of the body, especially Height growth is fast. Skeleton is still rich in elasticity, plasticity, easy to bend deformation. Muscle softness, strength and endurance worse than adults, so their physical activity can not be too large, labor intensity can not be overweight. In the nervous system, brain function has been significantly developed, the differentiation function of brain cells close to the adult level. High excitement of the nerve center, excitement is not easy to concentrate on the performance of flexible, changeable, like