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 two main types of digestion is chemical and physical digestion. Physical digestion is the physical breakdown of food, using your teeth, called mastication. Chemical digestion uses different fluids and chemicals in your body to break down the food further, such as pepsin and hydrochloric acid.he digestive system refers to the system from the mouth to the  bowels. It is the system that the body used to draw nutrients from  food and to eliminate waste. The digestive system is the path that the food taht you eat follows so that your body can get all of the nutrients out of it.