The airways that are located between the bronchi and the alveoli
are called the…..
a) bronchioles
b) larynx
c) bronchi
d) pharynx
The length of wind pipe is…..
a) 10 cm
b) 15 cm
c) 18 cm
d) 12 mm
Each bronchiole ends in a……
a) chamber
b) duct
c) vessels
d) nerve
The thin walled structure which provides surface area for gaseous exchange in lungs is called …..
a) bronchi
b) bronchioles
c) alveolus
d) cartilaginous rings
The walls of alveolus covered with a network of blood capillaries where gaseous exchange occur by the process of
a) diffusion
b) transpiration
c) osmosis
d) active transport
The thorax or chest cavity is bound by the ribs and muscles at sides by the……
a) diaphragm
b) muscles
c) cartilage
d) sternum
