Scalp tenderness: Introduction. Scalp tenderness: pain occurring on and around the scalp. See detailed information below for a list of 15 causes of Scalp tenderness, Symptom Checker, including diseases and drug side effect causes. Â» Review Causes of Scalp tenderness: Causes | Symptom Checker Â».
Functions that occur at the mouth. 1. Begin mechanical digestion (by the teeth & tongue) 2. Begin chemical digestion (by salivary enzymes) 3. Monitor food quality/taste (by the tongue) 4. Moisten and manipulate food to prepare for swallowing (by saliva and tongue, respectively).
The teeth chop the food up into smaller pieces which then pass through the digestive system. Chemical digestion is the breaking down of food particles through chemical reactions. Chemical and mechanical digestion combine to process food, absorbing nutrients and minerals and discarding the waste.Very little mechanical digestion occurs outside of the mouth.hemical digestion is the breaking down of food particles through chemical reactions. Chemical and mechanical digestion combine to process food, absorbing nutrients and minerals and discarding the waste.