👉 The term "nasalises" refers to a group of small, dense, and closely packed alveoli in the lungs. These are responsible for the exchange of gases between the blood and the air, facilitating oxygenation and carbon dioxide removal from the body. The nasalises are located on the sides of the nose, which can be divided into two main groups: the primary nasalises and secondary nasalises. The primary nasalises are located at the base of the nostrils and include the nasal