Understanding the Respiratory System

What is the primary muscle involved in the process of inhalation in the respiratory system?

• Intercostal muscles

• Diaphragm

• Abdominal muscles

• Pectoral muscles

Which structure in the lungs is primarily responsible for the exchange of gases?

• Bronchi

• Alveoli

• Trachea

• Pleura

What is the main function of alveoli in the respiratory system?

• To filter dust and particles from the air

• To transport oxygen to the bloodstream

• To produce mucus

• To humidify the air

Which of the following diseases is characterized by the inflammation of the bronchi in the lungs?

• Asthma

• Bronchitis

• Pneumonia

• Tuberculosis

What is the primary gas exchanged for oxygen in the alveoli during respiration?

• Nitrogen

• Carbon dioxide

• Helium

• Argon