CIE iGCSE Co-Ordinated Science B11. Gas exchange in humans Exam Style Questions Paper 2
Question
The diagram shows some cells in the gas exchange system.
Which label shows the part of the gas exchange system where these cells are found?
▶️Answer/Explanation
Ans: B
Question
Changes in the body occur as a result of increased physical activity.
What are effects R and S?
▶️Answer/Explanation
Ans: C
Question
A pupil runs to school.
What happens to the rate and depth of their breathing as they run?
▶️Answer/Explanation
Ans : D
Question
What is the expected concentration of oxygen and the water vapour content in expired air?
▶️Answer/Explanation
Ans : A