6 A student drew the picture of a human body system shown below. The student labeled some
of the organs of the system.
Nose-
Mouth
Larynx
Lung-
Bronchus-
KIVITINY
Laryngopharynx
-Trachea
+ -Lung
-Bronchus
-Bronchioles
-Diaphragm

The main function of this human body system is to -

F sense odors in the environment
G exchange gases with the environment
H chew food as it enters the mouth
j trap partides that enter the nose