Olfactory sensory neurons are short-lived and, therefore, replaced frequently. how does this turnover happen?

a. mitotic division and differentiation of supporting cells
b. mitotic division of olfactory sensory neurons
c. mitotic division and differentiation of odorants
d. mitotic division and differentiation of basal epithelial cells

Answer is D. mitotic division and differentiation of basal epithelial cells.

Explanation:

The sensory neurons that are involved in smell or responsible for perceiving odours are referred to as  the olfactory sensory neurons.

The olfactory sensory neurons or receptors are found in the nasal epithelium, which receive and transmit the odorant information to the central nervous system.

It was discovered that between 10 - 20 million of olfactory sensory neurons are in human beings .

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