2- Explain the role of oxygen in the body according to the passage.
A) Providing energy for the body's cells
B) Enhancing vision
C) Regulating body temperature
D) Maintaining bone strength
3- How do the cilia in the nose contribute to the respiratory process?
A) Filtering the air
B) Producing mucus
C) Absorbing nutrients
D) Regulating heart rate
4 - Describe the structure and function of the trachea in the respiratory
system.
A) Carrying air to the lungs
B) Digesting food
C) Pumping blood
D) Storing oxygen in the body
5- Why are the lungs described as pink, mushy, and sponge-like?
A) To regulate body temperature
B) To filter the air
C) To exchange gases
D) To produce sounds
6- How does the diaphragm work in coordination with the lungs
during respiration?
A) Contracting to help with inhalation
B) Filtering the air
C) Storing oxygen
D) Exhaling carbon dioxide
7- What is the purpose of the bronchi in the respiratory system?
A) Exchange of gases
B) Protecting the lungs
C) Carrying air to the lungs
D) Regulating body temperature
8- Explain the significance of the bronchioles in the respiratory
process.
A) Filtering the air
B) Exchanging gases
C) Producing mucus
D) Pumping blood