Digestion begins in the mouth where the teeth and tongue break down food mechanically through chewing and saliva, via the enzyme salivary amylase, starts to break starches down chemically. From the mouth, food travels down the esophagus where contractions push the food into the stomach.
Which of these parts of digestion takes place in the mouth?
absorbing nutrients |
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breaking down fats |
|
breaking down starches |
|
breaking down proteins |