Answer:
Option B, paranasal sinuses: house olfactory receptors
Step-by-step explanation:
Paranasal sinuses are located between the facial and skull bone. These are cavities in the maxilla, frontal, sphenoid, and ethmoid bones which ultimately drain into the nasal cavity.
Their functions include the following –
a) Heating the inhaled air
b) Humidifying the inhaled air
c) Make skull lighter
d) Produce sound by resonating the voice
e) Lubricate the nasal cavity
Hence, option B is correct