Human brain/Nose

Anatomy

The parts of the nose are:

• Nasion
• Root
• Bridge
• Ala
• Apex
• Nostril
• Columella
• Nasal cavity
  • Vestibule
  • Olfactory region
  • Respiratory region

Function

The air goes inside the nasal cavity. The nasal cavity warms the air and traps dust particles with tiny hairs and mucous. The smell of things in the air is caused by the olfactory tract which sends signals to the brain about the smell.