Question

airborne chemical substances travel up the nose to the olfactory _, which is the receptor for smell. a. cilia b. cortex c. bulb d. base please select the best answer from the choices provided

Explanation:

Air - borne chemical substances interact with olfactory cilia, which are the receptors for smell. The olfactory cortex processes smell information, the olfactory bulb is a relay station for smell signals, and "base" is not the correct receptor - related term here.

Answer:

A. cilia