The nasal cavity refers to the interior of the nose. The nostrils are the exterior opening of the nasal cavity and the entry point for inspired air into the respiratory system. Inspired air passes through the nasal passage and enters other organs of the respiratory system via the pharynx, or the upper section of the throat. The nasal cavity also house the olfactory system which regulates smell sensations. It is lined by the nasal mucosa.

All content and media on the HealthEngine Blog is created and published online for informational purposes only. It is not intended to be a substitute for professional medical advice and should not be relied on as health or personal advice. Always seek the guidance of your doctor or other qualified health professional with any questions you may have regarding your health or a medical condition. Never disregard the advice of a medical professional, or delay in seeking it because of something you have read on this Website. If you think you may have a medical emergency, call your doctor, go to the nearest hospital emergency department, or call the emergency services immediately.