Trapped dust particles are pushed out of the respiratory tract by:

Diaphragm is a dome-shaped muscular structure which separates

The diaphragm in a rabbit is a:

Number of lobes in right and left lungs respectively in human being is

Choose the correct sentences for the conducting part of the respiratory system.
$(I)$ Transports the atmospheric air to the alveoli.
$(II)$ Clears it from foreign particles.
$(III)$ Humidifies the air.
$(IV)$ Brings the air to body temperature.

Besides mammals,diaphragm also occurs in