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:In the mammalian respiratory system; exchange of…ln mammals; fertilization takes place in the?Ultrafiltration in the kidney takes place in the?Production takes place when?Gaseous exchange in the lungs takes place in the?SEE ALSO If 90 ants are found in a field with a total area of 100 m. What is the population density of the ants?