Biology Practice: Respiratory System (Mock Test 3 - Advanced Processes)
1. What is the primary chemical purpose of Cellular Respiration?
2. During heavy exercise, why do we sometimes experience muscle cramps?
3. How does the 'Alveoli' maximize the efficiency of gas exchange?
4. The chemical equation for Aerobic Respiration is:
5. Which physical law explains the movement of $O_2$ from alveoli into the blood?
6. During inhalation, why does air rush into the lungs?
7. What is the role of the 'Cilia' and 'Mucus' in the trachea?
8. In anaerobic respiration in yeast, the end products are:
9. Why is 'Exhaled Air' warmer than 'Inhaled Air'?
10. The 'Vital Capacity' of lungs refers to:
11. What is the fate of $CO_2$ produced in the tissues?
12. Why do the walls of the alveoli need to be moist?
13. During expiration (breathing out), the Diaphragm:
14. 'Oxidative phosphorylation' is a process that specifically occurs during:
15. What is the percentage of Nitrogen in exhaled air?
16. The enzyme-controlled process of releasing energy is called:
17. Which muscles help the ribs move during the breathing process?
18. Total Lung Capacity (TLC) is the sum of Vital Capacity and:
19. Why does the breathing rate increase when we are afraid or excited?
20. In the chemical equation of respiration, $C_6H_{12}O_6$ is oxidized. What is the role of $6O_2$?
