Question

3 tries left
how often are olfactory receptors replaced by new olfactory receptors?
○ every 12 - 24 hours
○ every 2 - 3 days
○ every 5 - 8 weeks
○ every 30 days

Explanation:

Olfactory receptors are unique in that they are replaced relatively frequently. They are replaced every 5 - 8 weeks. This is due to their constant exposure to potentially harmful substances in the air we breathe.

Answer:

every 5 - 8 weeks