When You Breathe in as Much as Possible, Adding the Inspirational

question 100

Multiple Choice

When you breathe in as much as possible, adding the inspirational reserve volume to your lungs, your lungs are filling with air in part because

• A) the space between the two pleural membranes lining your thoracic cavity is increasing as they pull apart.
• B) your diaphragm is moving upward as you inhale, increasing the volume of your thoracic cavity.
• C) the interpleural pressure becomes more negative compared to atmospheric pressure, expanding your lungs.
• D) the interpleural pressure becomes more positive compared to atmospheric pressure, causing air to rush into your alveoli.
• E) the pressure in your alveoli becomes more negative than the interpleural pressure, causing your lungs to expand.

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