severe excercises results in fatique. give the scientific reason behind it Share with your friends Share 1 Fakeha Anis answered this Dear student, ​Please find below the link to the asked query https://www.meritnation.com/ask-answer/question/why-vigorous-exercises-sometimes-result-in-muscle-pain/breathing-and-exchange-of-gases/6827677 Regards 0 View Full Answer Sandra Rockstar answered this Because our body's blood circulation increases, sweat is produced and gets warmed up. 1