Question

Why the temperature of expired air is more has that of inspired air?

• A. It contains less oxygen.
• B. It contains move carbon dioxide.
• C. Air gets warmed by the respiratory passage.
• D. All of the above

Answer 1

The correct option is C Air gets warmed by the respiratory passage.

Expired air is warmer than that of inspired air because, expired air was in direct contact of respiratory passage (body temperature) which makes it warmer.