on calcium supplementation in pregnant women confirms this and also points out a possible protective effect of calcium on the prevention of preterm birth among those women who consumed between 1.5 g and 2.0 g of calcium per day (8). Daily iron and
Both mechanical and chemical. Chewing, also called mastication, is using your teeth with the help of your tongue to break down food into smaller particles, and the other a chemical process where salivary amylase which is a digestive enzyme that helps break down carbohydrates. 1 person found this useful.
Its role is to transfer the food to the back of the mouth and to move it around, so it can be broken down. There are also the salivary glands in and around the mouth that secrete the enzymes in saliva that begin the digestive process. In the mouth, both mechanical and chemical digestion takes place. 2. Pharynx