Sentences of a paragraph are given below in jumbled order. Arrange the sentences in the correct order to form a meaningful and coherent paragraph.

A. Firstly, it provides air for respiration, serves the sense of smell and conditions the air by filtering, warming and moistening it.
B. The nose is the prominent structure between the eyes that serves as the entrance to the respiratory tract.
C. For inhalation it has two cavities, separated from one another by a wall of cartilage called the septum.
D. Apart from filtering the air, it also cleans itself of foreign debris extracted from inhalations.