Home › CBSE Class 11 › Biology › Breathing and Exchange of Gases › After a normal breath you force in extra air. Th…
After a normal breath you force in extra air. That extra amount is the:
AExpiratory reserve
BTidal air volume
CResidual air volume
DInspiratory reserve
Answer & Solution
Correct answer: D. Inspiratory reserve
1. Forced inspiration adds air beyond the tidal volume.
2. It averages 2500 to 3000 mL.
3. It is the inspiratory reserve volume.
_Source: NCERT Class 11 Biology, Chapter 17, Breathing and Exchange of Gases._
Related questions
A stone-crusher works for years in dust and develops lung fibrosis. Such workers should weWheezing from inflamed bronchi and bronchioles is:The enzyme in red cells that speeds up carbon dioxide and water turning into bicarbonate iEvery 100 mL of oxygenated blood delivers about ___ of oxygen to the tissues.Oxygen binds haemoglobin in the lungs and leaves it at the:Haemoglobin is red because it contains:About 97 percent of oxygen in blood is carried by:Gases cross from alveoli to blood mainly by: