NEET PG DENTAL EXAM

EMBRYOLOGY

RESPIRATORY SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What does the cilia do in the respiratory system?
A
The cilia carries food and air through the respiratory system.
B
The cilia is known to be part of a cell.
C
Cilia filters particles that enter the nose and air passages.
D
Cilia contains the vocal chords.
Explanation: 

Detailed explanation-1: -Tiny hairs called cilia (pronounced: SIL-ee-uh) protect the nasal passageways and other parts of the respiratory tract, filtering out dust and other particles that enter the nose through the breathed air.

Detailed explanation-2: -The cilia serve to transport dust and other foreign particles, trapped in mucous, to the back of the nasal cavity and to the pharynx. There the mucus is either coughed out, or swallowed and digested by powerful stomach acids. After passing through the nasal cavity, the air flows down the pharynx to the larynx.

Detailed explanation-3: -In respiratory tract, cilia helps in expelling the mucus and particles trapped in it, towards the pharynx.

There is 1 question to complete.