Mechanical and chemical digestion. In mechanical digestion the teeth breakdown food into smaller pieces and in chemical digestion the salivary glands breaks down the food molecules.
Though most protein digestion occurs in the stomach, all types of food (proteins, carbohydrates, and fats) are digested in the first part of the small intestine called the duodenum.
The body begins digestion in the mouth by breaking down food and exposing it to certain digestive enzymes. Amylase for starch digestion and lipase for fat digestion are enzymes found in human saliva. For humans, it is especially important to thoroughly chew cooked starches, such as pasta, bread, or baked potatoes, because much of our starch digestion occurs in the mouth.
The canines, which tear the food, and the molars, which then grind them for better digestion.
Mechanical Digestion (ex. chewing your food) and Chemical Digestion (ex. your spit breaking down the food). Those examples happen in the mouth, but both types happen elsewhere in the body, too.
Chemical breakdown is one of the two types of digestion of food. It is the breakdown of complex molecules to simpler monomers. Chemical digestion takes place in the mouth, stomach, and small intestine of the human body. Enzymes play a major role in chemical breakdown. In the mouth, the enzyme amylase speeds up the breakdown of starch into sugar. In the stomach, gastric protease speeds up the breakdown of proteins to polypeptides and amino acids. Finally, in the small intestine, bile emulsifies fat and pancreatic fluids deliver enzymes such as amylase, protease, and lipase to break down starch, proteins, and lipids into glucose, amino acids, and fatty acids/glycerol respectively. Enzymes are key to the digestion of food.
Chemical digestion and mechanical digestion
Chewing and churning are types of mechanical digestion. The other type of digestion is chemical digestion, which involves the breaking down of foods via enzymes.
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.
Rayon is not an event, it is a synthetic fiber. As such it does not take place. However, it can be found in some types of clothing.
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Not sure what you mean by '3 types of digestion', but there are three major food groups (carbohydrates, proteins, and fats), and each has a different method of digestion by the digestive system.