Exchange of gases takes place in the air sacs contained in the? by Sunday | Jun 27 | Biology WAEC | 0 comments A. I B. II C. IV D. V E. VI Correct Answer: Option C – IV Users Also Read These:25cm³ of a mixture of noble gases was obtained from…What percentage of oxygen is contained in exhaled air?The blind sacs at the junction of the small and…In the mammalian respiratory system; exchange of…Gaseous exchange takes place in the adult toad through the?