22. The Respiratory System

Which of the following determines the direction of respiratory gas movement in the lungs?

What is the primary function of the respiratory system?

Where are the lungs located in the human body?

Why does air enter the lungs during inhalation?

In an introduction to lung physiology, respiratory physiology is primarily the study of which process?

Which of the following statements about the functions of the respiratory system is NOT true?

Inhalation occurs when the:

What causes air to move into the lungs during inspiration?

Which of the following is true at the venous ends of the pulmonary capillaries?

Which of the following is a primary function of the respiratory system?

Which statement describes the movement of oxygen during external respiration?

What structure connects the larynx to the primary bronchi?

Which is the correct order of airflow during inhalation?

Why do the lungs expand along with the thoracic cage during inspiration?

Why is the actual flow of air into the alveoli during inspiration considered passive?