NEETZoologyBreathing and Exchange of Gases
Select the correct option mentioning the right feature of A,B,C,D or E.
Options
- ADuring swallowing glottis can be covered by a thick elastic cartilaginous flap called A
- BC is a cartilaginous box which helps in sound production.
- CThe thoracic chamber is formed on the lower side by the circular shaped E
- DB is called the sound box
Correct answer
D. B is called the sound box
Step-by-step solution
B is Larynx which is also called the sound box and contains vocal cords. A is Epiglottis and is thin elastic cartilaginous flap not thick. E is Diaphragm and is dome shaped not circular shaped. C is Trachea and B is Larynx which is the sound box not C. Larynx is a cartilaginous box which helps in sound production and hence called the sound box. During swallowing glottis can be covered by a thin elastic cartilaginous flap called epiglottis to prevent the entry of food into the larynx. Trachea is a straight tube exte