Recent evidence suggests that humans have __________ different types of olfactory receptors.
A) 3
B) 5
C) 7
D) 16
E) almost 1,000

Question

Quizplus · Accepted Answer

Recent studies suggest that humans have nearly 1,000 different types of olfactory receptors, allowing us to detect and distinguish between a wide variety of odors. This is a significant increase from previous estimates, which ranged from 300 to 400.

Recent Evidence Suggests That Humans Have __________ Different Types of Olfactory