Nasal cavity: The nasal cavity

The nasal cavity, also known as the nasal fossa, forms part of the upper respiratory tract. Learn about the nasal cavity, a hollow space in the nose that filters, warms, and humidifies the air we breathe. Find out its structure, location, layers, blood supply, nerve innervation, and clinical significance. The nasal chamber or nasal cavity is an organ situated in the nose of a human being. With its functions of humidifying the inspired air and removing pathogens, it proves to be essential when it comes to the functioning of the respiratory as well as the olfactory system. The nasal cavity includes the bones, tissues, and other structures that make up the inside of the nose. It warms and humidifies the air you breathe.