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Why Is the Nose Considered the Quickest Route to the Brain

Question 57

Multiple Choice

Why is the nose considered the quickest route to the brain of all sense organs?


A) Odorants cause quick reactions in animals and humans
B) Pheromones are hormone-like chemicals that organize human sexual and aggressive behavior.
C) The olfactory bulb and other areas of the frontal cortex receive signals directly from the nose, bypassing the thalamus.
D) Chemical bonding in the nose occurs more quickly than transduction in the other senses.

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