The outer pleural membrane is in close contact with the .....

Air entering the lungs is

Given below are two statements regarding the respiratory system of man.
$Statement-I$: Epiglottis prevents the entry of food into the trachea.
$Statement-II$: The internal lining of the trachea is made up of ciliated epithelium only.
In the light of the above statements, choose the most appropriate answer from the options given below:

The cartilage of Santorini is a band on which of the following?

Where does oxygen finally reach from the lungs?

The phagocytic cells of the pulmonary alveoli are called ...... .