THORAX ABDOMEN AND PELVIS

Detailed explanation-1: -Nasal cavities: Your nose has two nasal cavities, hollow spaces where air flows in and out. They are lined with mucous membranes. Nerve cells: These cells communicate with your brain to provide a sense of smell. Nostrils (nares): These are the openings to the nasal cavities that are on the face.

Detailed explanation-2: -The nose is the body’s primary organ of smell and also functions as part of the body’s respiratory system.

Detailed explanation-3: -The nasal cavity is the large internal space of the nose, and is in two parts – the nasal vestibule and the nasal cavity proper. The nasal vestibule is the frontmost part of the nasal cavity, enclosed by cartilages.

Detailed explanation-4: -External meatus. Triangular-shaped projection in the center of the face. External nostrils. Two chambers divided by the septum. Septum. Made up mainly of cartilage and bone and covered by mucous membranes. Nasal passages. Sinuses.