The sense of smell is
A)coded by genes with each of 500-1000 genes coding for a separate odor receptor.
B)poor in humans when compared to other mammals such as dogs.
C)detected with olfactory endings in a special epithelium covered by a thin film of mucus deep in the nasal cavity.
D)analyzed by olfactory cortex that is connected to centers of emotions.
E)All of the choices are correct.

Question

Quizplus · Accepted Answer

All of the choices are correct. The sense of smell is coded by genes with each of 500-1000 genes coding for a separate odor receptor. It is poorer in humans when compared to other mammals such as dogs. It is detected with olfactory endings in a special epithelium covered by a thin film of mucus deep in the nasal cavity. It is also analyzed by the olfactory cortex that is connected to centers of emotions.

The Sense of Smell Is