When volatile molecules come in contact with the olfactory epithelium only when one is in the same room with the odor When the transgeminal nerve is stimulated when the gustatory cells relay a message to the brain
a) Volatile molecules come in contact with the olfactory epithelium.
b) Only when one is in the same room with the odor.
c) When the trigeminal nerve is stimulated.
d) When the gustatory cells relay a message to the brain.