Complete the folowing statements 1. Olfactory, or smell, receptors are neurons surrounded by columnar epithelial cells. 2. The distal ends of the olfactory neurons are covered with hairlike 3. Before gaseous substances can stimulate the olfactory receptors, they must be dissolved in that surrounds the cilia. A of the ethmoid 4. The axons of olfactory receptors pass through small openings in the bone. A 5. Olfactory bulbs lie on either side of the of the ethmoid bone. to the interpreting 6. The sensory impulses pass from the olfactory bulbs through the centers of the brain. 2 7. The olfactory interpreting centers are located deep within the temporal lobes and at the base of the lobes of the cerebrum. 8. Olfactory sensations usually fade rapidly as a result of 9. Olfactory receptor neurons are the only parts of the nervous system that come in contact with the directly. A 10. A chemical would be considered if a person lacked a particular receptor site on the cilia of the olfactory neurons. A