Breathing and Exchange of GasesHard
Question
The trachea, bronchi and bronchioles of humans have all of the following functions except :
Options
A.Increasing the surface area available for gas exchange
B.Moistening the incoming air
C.conducting mucous away from the alveoli
D.warming the incoming air to body temperature
Solution
-The conducting part transports the atmospheric air to the alveoli, clears
it from foreign particles, humidifies and also brings the air to body
temperature.
See ncert page no 270
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