Q. 2

Regarding the functions of our respiratory system, mark the wrong entry.
A. Humidifies the air

B. Warms up the air

C. Exchange of gases

D. Cleans up the air




Answer :

The function of the respiratory system is to move two gases: oxygen and carbon dioxide. Gas exchange takes place in the millions of alveoli in the lungs and the capillaries that envelop them.


The respiratory system has built-in methods to prevent harmful substances in the air from entering the lungs. Hairs in your nose help filter out large particles. Microscopic hairs, called cilia, are found along your air passages and move in a sweeping motion to keep the air passages clean.


As air passes through the nasal cavities it is warmed and humidified, so that air that reaches the lungs is warmed and moist.

Rate this question :

How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Related Videos
Learn the Mechanism of Breathing and RespirationLearn the Mechanism of Breathing and RespirationLearn the Mechanism of Breathing and Respiration64 mins
Quiz on Breathing and exchange of gases | Check YourselfQuiz on Breathing and exchange of gases | Check YourselfQuiz on Breathing and exchange of gases | Check Yourself43 mins
Interactive Quiz on Mechanism of Breathing and RespirationInteractive Quiz on Mechanism of Breathing and RespirationInteractive Quiz on Mechanism of Breathing and Respiration56 mins
Rapid Quiz on RespirationRapid Quiz on RespirationRapid Quiz on Respiration40 mins
Rapid Quiz on Respiration | Check Important conceptsRapid Quiz on Respiration | Check Important conceptsRapid Quiz on Respiration | Check Important concepts40 mins
NCERT Exemplar | Breating & Exchange of Gases Part 1NCERT Exemplar | Breating & Exchange of Gases Part 1NCERT Exemplar | Breating & Exchange of Gases Part 132 mins
NCERT Exemplar | Breating & Exchange of Gases Part 2NCERT Exemplar | Breating & Exchange of Gases Part 2NCERT Exemplar | Breating & Exchange of Gases Part 222 mins
Transport of GasesTransport of GasesTransport of Gases52 mins
Liquefaction of gasesLiquefaction of gasesLiquefaction of gases53 mins
Kinetic Theory of GasesKinetic Theory of GasesKinetic Theory of Gases46 mins
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation
caricature
view all courses