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.
Report Abuse. Mechanical digestion takes place in your mouth, basically you chew them down; Chemical digestion takes place in your gut by using various enzymes to break them down into smaller molecules that can be absorbed.eport Abuse. Mechanical digestion takes place in your mouth, basically you chew them down; Chemical digestion takes place in your gut by using various enzymes to break them down into smaller molecules that can be absorbed.