MICROANATOMY

Detailed explanation-1: -The nasal cavity functions to humidify, warm, filter, and act as a conduit for inspired air, as well as protect the respiratory tract through the use of the mucociliary system.

Detailed explanation-2: -The nasal cavity and paranasal sinuses do many things: They help filter, warm, and moisten the air you breathe. They give your voice resonance (sound). They lighten the weight of the skull.

Detailed explanation-3: -One of many small hollow spaces in the bones around the nose. Paranasal sinuses are named after the bones that contain them: frontal (the lower forehead), maxillary (cheekbones), ethmoid (beside the upper nose), and sphenoid (behind the nose).

Detailed explanation-4: -paranasal sinuses are cavities in the bones of the face and cranium. These air – filled spaces vary in size and are lined by mucous membrane. The mucous secretions drain into the nasal cavity and help, warm, humidify, and clean the air. The paranasal sinuses also help lighten the skull and resonate the voice.

Detailed explanation-5: -The Paranasal Sinuses Surround the Nasal Cavities Mucosae line the paranasal sinuses and help to warm and humidify the air we inhale. When air enters the sinuses from the nasal cavities, mucus formed by the muscosae drains into the nasal cavities.