最近中央电视台在放李小龙,医生说他全身几乎没有一点脂肪,身体没有脂肪好吗?对身体有没有害处。

2025-02-11 15:36:30
推荐回答(4个)
回答1:

  因为他不是正常人(就是没脂肪),加上工作什么的劳累就死的早

  脂肪万万不可没有!!!!

  脂肪:新陈代谢的燃料

  脂肪属于脂类物质,由脂肪酸构成,分为饱和脂肪酸和不饱和脂肪酸。有的不饱和脂肪酸在体内不能合成,必须由摄入的食物供给,所以又称为必需脂肪酸。脂肪是组成肌体和细胞的重要营养素。
  提供人体所需的热量

  脂肪经氧化后变成二氧化碳和水,放出热量。脂肪所产生的热量约为等量的蛋白质或碳水化合物的2. 2倍,是身体热量的重要来源。

  调节生理机能

  脂肪为身体储存“燃料”。吃进脂肪以后,消耗不完的部分会储存在体内,当身体需要热量时再释放出来。脂肪不是良好的导热体,所以,皮下脂肪组织有防止体温放散保持体温的作用。此外,脂肪还有保护内脏器官、滋润皮肤和防震作用。

  构成身体组织和生物活性物质

  脂肪是构成身体细胞尤其是脑神经细胞的重要成分,也是构成身体组织和生物活性物质的重要成分。比如形成细胞膜的主要成分磷脂、糖脂等。肝脏、肾脏等重要器官也含有很多脂肪。

  溶解营养素

  有些不溶于水而只溶于脂类的维生素,只有在脂肪存在时才能被人体吸收利用。

  脂类是身体的能源库

  脂类是脂肪和类脂的总称

  动物油和植物油是我们体内脂类的主要来源。植物油主要有:含饱和脂肪酸的植物油,如椰子油;含单不饱和脂肪酸的中性油脂,如橄榄油;含多不饱和脂肪酸的油脂,如芝麻油、玉米油(玉米胚芽油)、大豆油、菜籽油、花生油等。其中,芝麻油营养丰富,含有丰富的维生素E,享有“植物油之王”的盛誉,也有“抗衰老良药”的美称,能提高人体免疫功能。

  所以脂肪对人体是很重要的!!!!!!!!!!!!!!

回答2:

看看脂肪对人体的作用吧,想想一点脂肪也没有肯定不是好事了。

脂肪对人体的作用主要有四个方面:

供给人体热量作用。脂肪在人体内氧化后变成二氧化碳和水,放出热量。由脂肪所产生的热量约为等量的蛋白质或碳水化合物的2.2倍。由此可见脂肪是身体内热量的重要来源。

构成身体组织和生物活性物质的作用。脂肪是构成身体细胞的重要成分之一,尤其是脑神经,肝脏、肾脏等重要器官中含有很多脂肪。脂肪在体内还构成身体组织和生物活性物质,如细胞膜的主要成分,形成磷脂、糖脂等。

调节生理机能的作用。因为脂肪不是良好的导热体,所以皮下的脂肪组织构成是保护身体的隔离层,能防止体温的放散。所以脂肪有保持体温的作用。脂肪还可以为身体储存“燃料”作为备用,吃进脂肪以后,一时消耗不完的部分可以存在体内,等身体需要热量时再利用。此外,脂肪还有保护内脏器官,滋润皮肤,和防震作用。

溶解营养素的作用。有些不溶于水而只溶于脂类的维生素,只有在脂肪存在时才能被人体吸收利用。

营养师提示

长期缺乏脂肪性成分,就容易引起人体维生素A、D的缺乏症,以致出现皮肤干燥,头发枯燥、脱落、及患夜盲症、干眼症等疾病。

回答3:

不一定,那样身体像铁打的。而且,李小龙的死是因为疲劳过度而死。不过也得听听二楼意见哦。总之,什么事都不要走极端!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

回答4:

所以死的早

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