The Olfactory System

Item #3 of 10

Prior to bonding with olfactory receptor cells, chemicals ___________.

evaporate in air;

dry up in the air;

decompose;

dissolve in mucus;

all of the alternatives are correct;

INCORRECT - Volatile chemicals must dissolve in nasal mucus prior to stimulating the receptors.

[Review Part 1 of the tutorial] [Review Part 2 (Matching) of the tutorial]


		evaporate in air;
		dry up in the air;
		decompose;
		dissolve in mucus;
		all of the alternatives are correct;