Читать книгу Basic Guide to Oral Health Education and Promotion - Alison Chapman - Страница 49
Mastication
ОглавлениеThe tongue helps pass a soft mass of chewed food (bolus) along its dorsal surface and presses it against the hard palate.
The tongue helps pass a soft mass of chewed food (bolus) along its dorsal surface and presses it against the hard palate.
