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.
Your body utilizes two types of digestion: chemical digestion and mechanical digestion. Chemical digestion refers the to the breakdown of food in the mouth, stomach and intestines through the use of acids and enzymes. Mechanical digestion processes--such as chewing, swallowing and the muscular movements that move food through the digestive tract--support chemical digestion by physically breaking whole foods into smaller pieces to facilitate chemical breakdown.