journeyjasm
鹭鹭的宝贝妞
回答 1、运动有利于人体骨骼、肌肉的生长,增强心肺功能,改善血液循环系统、呼吸系统、消化系统的机能状况,有利于人体的生长发育,提高抗病能力,增强有机体的适应能力。 2、减低儿童在成年后患上心脏病,高血压,糖尿病等疾病的机会. 3、运动是增强体质的最积极、有效的手段之一。 4、可以减少你过早进入衰老期的危险。 5、运动能改善神经系统的调节功能,提高神经系统对人体活动时错综复杂变化的判断能力,并及时做出协调、准确、迅速的反应;使人体适应内外环境的变化、保持肌体生命活动的正常进行。6、运动能使机体肌肉发达,主要是骨骼肌纤维增粗增长,而不是肌纤维数量增加,锻炼引起肌纤维内部的变化是,肌丝和肌原纤维数量增加,肌节增长,线粒体和糖原增多,肌纤维外的变化是,毛细血管和结缔组织细胞增多,这些因素使骨骼肌变得粗壮发达可以说锻炼对强身健体是有很好的作用生命在于运动。只有运动人才能更健康。不过事情总有他的两面性,有好就有坏。如果不注意保护自己,不量力而行,会造成运动伤害,轻者致伤、重者致残。所以,量力而行的体育锻炼对人是有好处的,它能使你拥有迷人的身材、健壮的体魄、健康的自信。
十十十月
There is no denying that sports benefit us in many aspects. Firstly, by doing sports, we get most part of our body trained. Secondly, properly balanced physical activities help us stay physically fit. Furthermore, sports enrich our life and keep us psychologically healthy. Lastly, when taking part in sports, we can become wise and can learn the spirit of cooperation and optimism and how to deal with difficulties.But, on the other hand, doing too much sports or doing sports in the wrong way can hurt people, even make them disabled. As I see it, I enjoy doing sports. I not only experience a healthy life through sports, but also get more chances to breathe fresh air and appreciate the natural beauty. Sports make my life more colorful. E智网为你解答,希望可以帮助到你!
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