Exchange of gases takes place in the air sacs contained in the? By: Sunday|Published on: Jun 27|Categories: Biology WAEC| 0 comments A. I B. II C. IV D. V E. VI Correct Answer: Option C – IV Users Also Read These:Trade takes place because of?An indirect election takes place when?Gaseous exchange takes place in the adult toad through the?In which of the following reactions does reduction…In economics; production takes place only when?SEE ALSO The environmental factors responsible for the condition in plant B are?