Chapter 27, Problem 8WIO

Summary Introduction

To explain:

The reasons for cold medicines that dry the nasal cavity make it harder to smell.

Concept introduction:

The chemoreceptors receptors present in the nasal cavity are responsible for the detection of odor of the molecules. The sense of smell that is olfaction is based on the ability to detect the chemicals. The chemicals are detected by the chemoreceptors present in the nose and the tongue.