Approximately how many olfactory receptors are within the human nose?
a. 5,000
b. 500,000
c. 1,000,000
d. 5,000,000
e. 50,000,000
d
Anatomy & Physiology
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The figure illustrates keratinization in the epidermis. What layer of the epidermis is "B"?
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Anatomy & Physiology