What is residual volume?
AAir inspired after normal expiration
BAir expired after normal inspiration
CAir moved in normal breathing
DAir left in lungs after forcible expiration
Answer & Solution
Correct answer: D. Air left in lungs after forcible expiration
Residual volume is the air that stays in the lungs even after a forcible expiration.
Related questions
Why is heart failure also called congestive heart failure?Repeated readings of what level or higher indicate hypertension?What is the normal blood pressure reading in a healthy adult?Why is the human heart described as myogenic?What supplies blood to the cardiac muscle itself?Which layer is comparatively thin in veins?Which vessel layer is lined by squamous endothelium?Which layer of an artery wall has smooth muscle and elastic fibres?