The laryngopharynx opens into

Select the correct option for the trachea.

The nasal cavity contains a large number of which of the following cells?

The function of tracheal hair (cilia) is to

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.

The $Larynx$ is present between: