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.
The mouth is the beginning of both mechanical and chemical digestion. Chewing breaks the food into smaller pieces and the saliva wets the food but also adds an enzyme call â¦ ed amylase that begins the digestion of carbohydrates.