Chapter 31.2, Problem 2MC

Summary Introduction

To explain:

The way in which the nose functions in the respiratory system.

Concept introduction:

Nose contains the air cavity which allows the movement of the air. The lining of the nose cavity contains a layer of the epithelial cells which secrete mucus and prevent the growth of the bacteria and other micro-organisms in this region. The sense of smell is transferred from the nose through the sensory neurons to the brain which receives the stimulus.