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# Oral Cavity The digestive system begins at the mouth. 1. **Tongue** - responsible for the propulsive processes of swallowing. * (esmalte, dentina, pulpa, cemento) 2. **Teeth** * **Gums** (gingival) * **Palate** hard and soft * **Tonsils** * **Uvula** - Prevents f...

# Oral Cavity The digestive system begins at the mouth. 1. **Tongue** - responsible for the propulsive processes of swallowing. * (esmalte, dentina, pulpa, cemento) 2. **Teeth** * **Gums** (gingival) * **Palate** hard and soft * **Tonsils** * **Uvula** - Prevents food from leaving the oral cavity unintentionally * **Salivary Ducts** ## Tongue **Diagram of tongue taste regions:** * **Amargo** (bitter) * **Salado** (salty) * **Dulce** (sweet ) * **Ácido** (sour) ## Teeth * They are the organs of mastication, or chewing * They cut, grind, and tear ingested food so it can be mixed with saliva and swallowed. * **Deciduous teeth** or "baby teeth" are 20, they shed between 6 and 12 years old. * **Permanent teeth** (32)