{"name":"When your respiratory exchange rate is over 1.0 what source is burning", "url":"https://www.quiz-maker.com/QPREVIEW","txt":"When your respiratory exchange rate is over 1.0 what source is burning, When respiratory exchange is under what 0.7 what source is burnung?, How many sources of fat are there?","img":"https://www.quiz-maker.com/3012/images/ogquiz.png"}