Which sense involves airborne molecules passing over five million nerve fibers with the receptor proteins on the surface of these fibers being stimulated by these molecules, causing signals to be sent to the brain?
A) hearing
B) touch
C) smell
D) taste

Question

Quizplus · Accepted Answer

Smell involves chemical molecules in the air being detected by olfactory receptors in the nose, which stimulates signals being sent to the brain. This process involves five million nerve fibers with receptor proteins on their surface being stimulated by these molecules.

Which Sense Involves Airborne Molecules Passing Over Five Million Nerve