Data

Copy and paste the text below. It is read-only. Select All

Mouth Physical- Teeth and tongue grind and crush food. Chemical-Enzymes in the saliva break down carbohydrates. Carbohydrates (such as starch) Carbohydrates are very large so breakdown starts early! Esophagus Food is moved to the stomach via peristalses (wave-like muscle contractions) Stomach Physical- Churning occurs. Chemical-Enzymes and acids in the digestive juices break down food. Proteins. The body must break down the food into small, soluble organic molecules that can later be absorbed into the blood and delivered to the cells of the body. Small Intestine Chemical- Bile from liver emulsify fats and enzymes complete the breakdown process. Lipids,Fats,Oils and waxy substances. Absorption of nutrients occurs here. Large intestine Water and minerals that the body can use are reabsorbed here.