The Olfactory Apparatus of Mammals Includes Highly Folded Microvilli and Cilia

question 93

Multiple Choice

The olfactory apparatus of mammals includes highly folded microvilli and cilia within the nasal region.What is the likely purpose of this greatly increased surface area?

• A) To concentrate sensory receptor cells into a small area
• B) To increase the mammal's sensitivity to olfactory stimuli
• C) To make room for other types of sensory cells in this area
• D) To shorten the distance between the stimulus and the brain
• E) To provide the space needed for larger metabotropic sensory cells

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