NEET PG DENTAL EXAM

Detailed explanation-1: -Olfaction, the sense of smell detects and discriminate odors as well as social cues which influence our innate re-sponses. The olfactory system in human beings is found to be weak as compared to other animals; however, it seems to be very precise.

Detailed explanation-2: -For example, humans detect odors through the olfactory epithelium of the nose, whereas most insects detect odors through their antennae. Although olfactory systems are divergent throughout evolution, olfactory receptor cells possess common property and structure.

Detailed explanation-3: -Substances that smell give off tiny molecules. Inhaling moves these molecules into your nose. There, special cells (olfactory receptors) detect these molecules. The receptors relay this information to your brain through your olfactory nerve and allow you to perceive smell.