What happens to air as it passes through the respiratory system?
Attachments:
Answers
Answered by
9
D) Air is filtered, warmed & moistened.
Answered by
7
Option D is correct.
As air passes through respiratory tract:
▪ Hair in the nostrils and cilia in tract traps foreign paticles and hence purifying it .
▪ Body temperature warms it.
▪ Mucus humidifies/moistens it.
Hakar:
No more comment
Similar questions