The air passes through the NOSE, which has mucus membranes that clean/moiston air, as well as hairs (cilia) that attach to dirt and dust particles to keep them out of the rest of the respiratory tract.
Final Answer: Nose
Mucous membranes and cilia in the trachea trap and eliminate particulate matter from inhaled air. The membranes also warm and moisten incoming air.
Mucous membranes in the nose and mouth help to trap foreign particles, such as bacteria and viruses, preventing them from entering the body. They also produce mucus to keep these areas moist and help in the process of breathing and digestion. Additionally, mucous membranes contain immune cells that help to defend against pathogens.
The types of membranes lining cavities that communicate with the exterior of the body are mucous membranes. These membranes are found in areas such as the respiratory, digestive, urinary, and reproductive tracts, and they secrete mucus to protect and lubricate the tissues.
ciliated mucous membranes
Mucous membranes.
Mucous membranes.
The upper respiratory system cleans and warms the air even before going into the lungs. Tiny hairs in the upper tract remove particles which have become stuck in mucous made by the membranes. These same membranes warm and add moisture to the air before it reaches the alveoli.
mucous membranes
mucous membranes
believe it or not, mucous membranes secrete mucous. It helps protect the respiratory system (or whichever system the mucous membrane you're referring to is in).
Mucous membranes.
Mucous membranes.