Humans have _____ types of receptor cells for smell and can distinguish more than ______separate smells.

Question

Quizplus · Accepted Answer

Humans have around 350 types of receptor cells for smell and can distinguish more than 10,000 separate smells. Option D is the only choice that lists both of these characteristics correctly. Option A is incorrect because it only lists 5 receptor cells, which is too low. Option B is incorrect because it lists 10,000 separate smells but only 5 receptor cells, which is impossible given what we know about the complexity of the olfactory system. Option C is incorrect because it has the correct number of receptor cells but lists too few separate smells.

Humans Have _____ Types of Receptor Cells for Smell and Can