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The chief and parietal cells produce and secrete mucus (F) to protect the lining of the stomach (C) against the harsh pH of stomach acid. The mucus is basic, while the stomach acid (A) is acidic. In the human digestive system, mucus is used as a lubricant for materials that must pass over membranes, e.g., food passing down the esophagus.
Phlegm is more related to disease than mucus, and can be troublesome for the individual to excrete from the body. Phlegm is a thick secretion in the airway during disease and inflammation. Phlegm usually contains mucus with virus, bacteria, other debris, and sloughed-off inflammatory cells.
"Mucus is very helpful in terms of our immune system," Elliott says. "When you have a foreign particle like pollen or a virus or bacteria, your mucosal cells — which produce mucus — are ...
A respiratory droplet is a small aqueous droplet produced by exhalation, consisting of saliva or mucus and other matter derived from respiratory tract surfaces. Respiratory droplets are produced naturally as a result of breathing, speaking, sneezing, coughing, or vomiting, so they are always present in our breath, but speaking and coughing ...
Controlled cough is a mucus-clearing technique that involves coughing in a controlled manner. This technique can help dislodge mucus without irritating your airways. Here’s how to try the ...
However, some researchers argue that the flow of mucus down the back of the throat from the nasal cavity is a normal physiologic process that occurs in all healthy individuals. [1] Some researchers challenge post-nasal drip as a syndrome and instead view it as a symptom, also taking into account variation across different societies.
The acini empty into little tubes (tubules) that lead to a reservoir (collecting duct) that has a portal through the skin (mucosa) that can open and close allowing the mucus into the main tube. [ 1 ] The submucosal glands are a companion to goblet cells which also produce mucus, and are found lining the same tubes.
Boogers trap invading viruses and bacteria before they can enter your body, so eating boogers might expose your system to these pathogens. See more stories on Insider's business page . Following ...