Articles > Quizzes & Surveys > Respiration – Quiz Respiration – Quiz Posted on Nov 04, 2020 Quiz Select the best answer from the parenthesis. Write your answer in the space provided. 1. The hollow sacs that act as sites of gas exchange are called ( capillaries / alveoli ). 2. The zone of the airways where there is no gas exchange is the ( conducting zone / respiratory zone ). 3. Lung volume depends on the ( transpulmonary pressure / lung compliance ), which refers to the capacity of the lungs for being stretched. 4. The diaphragm and intercostal muscles relax during ( inspiration / expiration ) 5. ( Hypoxia / Hypercapnia ) is the deficiency of oxygen at the tissue level. Send Your Results (Optional) Your Name To Email Time is Up!