3. The digestive system (Digestive System)
.A digest food molecules, big to small molecules that can be absorbed. So the body can bring food with small molecules to use.The production of saliva to build spit helps to digest starch into maltose food will be sent to the esophagus into the stomach, the stomach will ลงไปตาม digest. The compression release the juice and acid out destroy pathogens.Also the small intestine, which the small intestine to digest feeding with small molecules as possible so that can be ดูดซึมเข้าสู่ body. By all kinds of sugar will be digested, glucose, fat is digested into fatty acids and glycerol.The organs of the digestive system, there are many kinds of the mouth, stomach, small intestine, pancreas, liver, gall bladder, large intestine anus
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