Biology Practice: Respiratory System (Mock Test 2 - Intermediate)
1. The C-shaped rings of cartilage in the trachea are specifically located to:
2. Which part of the respiratory tract is located between the pharynx and the trachea?
3. Each bronchus further divides into several smaller branches called:
4. The right lung in humans is composed of how many lobes?
5. The fluid present between the two layers of pleura is known as:
6. During inhalation, the ribs move:
7. The exchange of gases between the blood and the tissue cells is called:
8. Which pigment in the red blood cells carries oxygen to the tissue?
9. The floor of the chest cavity is formed by the:
10. Energy is released during respiration in the form of:
11. Which part of the nasal cavity warms the incoming air?
12. The structural and functional units of the lungs are:
13. In humans, the pharynx leads into the trachea through an opening called:
14. What happens to the volume of the chest cavity during inhalation?
15. The left lung is slightly smaller than the right because it has a notch for the:
16. Aerobic respiration results in the production of:
17. Which of the following describes the mechanism of breathing out?
18. During exhalation, the air pressure inside the lungs:
19. The process by which oxygen enters the blood from the alveoli is:
20. Which structure protects the lungs from external injury?