CurrentTag

Sputum

Can children swallow their own sputum?

Q: Can children swallow their own sputum? A: Of course they can. In fact, it is difficult to control our unconscious swallowing of sputum, which happens mostly during sleep. Sputum is composed of mucous membrane secretions from the respiratory tract and the cellular debris, which be adhered with dust and pathogens such as viruses, bacteria. ...