Home › CBSE Class 11 › Biology › Breathing and Exchange of Gases › While you swallow, a flap covers the glottis so …
While you swallow, a flap covers the glottis so food does not enter the larynx. The flap is the:
APleura sheet
BDiaphragm
CAlveolar sac
DEpiglottis
Answer & Solution
Correct answer: D. Epiglottis
1. The flap is thin, elastic and made of cartilage.
2. It closes over the glottis during swallowing.
3. It is the epiglottis.
_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: