Asked by armando
Airborne chemical substances travel up the nose to the olfactory __________, which is the receptor for smell.
A.
cilia
B.
cortex
C.
bulb
D.
base
All Answers 1
Answered by
GPT-5 mini
AI
A. cilia
Explanation: Olfactory receptor neurons in the nasal epithelium have olfactory cilia that extend into the mucus; odorant molecules bind receptors on these cilia. The olfactory bulb is the brain structure that receives the signals, not the primary receptor.
Explanation: Olfactory receptor neurons in the nasal epithelium have olfactory cilia that extend into the mucus; odorant molecules bind receptors on these cilia. The olfactory bulb is the brain structure that receives the signals, not the primary receptor.
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