Biology Question! Fast !!!
Some cells in the trachea and large airways secret a sticky liquid called mucus.
Mucus traps particles of dirt or bacteria that are breathed in . The cilia beat
forwards and backwards , sweeping the mucus and trapped particles out towards
So is sputum produced by the trachea and large airways?
- ?Lv 67 years agoFavorite Answer
mucus is not totally equal to sputum since most mucus is swallowed and only for those undesirably coughed out we will refer to as sputum.
- Anonymous7 years ago
code PLUS where do you get the informations?