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:Gaseous exchange takes place in the adult toad through the?Air sacs are present in?A source of sound produces waves in air of…What percentage of oxygen is contained in exhaled air?The exchange of gases between the environment and…