Mucus is a substance produced by the lining of the nasal cavity. This mucus helps moisten and filter incoming air.
mucus
Mucus is a substance produced by the lining of the nasal cavity. This mucus helps moisten and filter incoming air.
dorsal tube
Mucus is a substance produced by the lining of the nasal cavity. This mucus helps moisten and filter incoming air.
It breaks down thick mucus, a sticky substance produced by cells lining the respiratory tract, facilitates its expulsion thus clearing the airways.
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Pepsin is produced by cells lining the stomach and released into the stomach cavity. Insulin is made by pancreatic cells & released into the bloodstream.
no
The retroperitoneal space contains organs in the abdominal cavity that are behind the peritoneal lining.
what feature of the epithelial lining of the respiratory tract is responsible for the smokers cough?
It is the lining of the alveoli that acts as our respiratory surface.
mediastinum
It coats the nasal cavity and collects pathogens.