We Have _______ Types of Receptor Cells for Smell; We

question 113

Multiple Choice

We have _______ types of receptor cells for smell; we can distinguish more than ________ separate smells.

• A)1,000; 10,000
• B)4 or 5; 10,000
• C)1,000; 1,000
• D)4 or 5; 1,000