hengitysväylän
Hengitysväylä refers to the anatomical structures responsible for the passage of air into and out of the lungs. This system begins with the external airways and extends to the microscopic air sacs within the lungs. The initial part of the respiratory tract includes the nasal cavity and pharynx, which warm, humidify, and filter inhaled air. Following this is the larynx, commonly known as the voice box, which also plays a crucial role in protecting the lower airways from foreign objects.
The air then travels down the trachea, or windpipe, a cartilaginous tube that bifurcates into two main