The sense of smell in humans is ________.
A) much more sensitive than in most animals
B) much weaker than in most animals
C) slightly more sensitive than in most animals
D) about the same as in most animals

Question

Quizplus · Accepted Answer

The sense of smell in humans is much weaker than in most animals. While humans have around 6 million olfactory receptors, dogs have around 300 million and sharks have around 1 billion.

The Sense of Smell in Humans Is ________