Mouth - Digestion of food starts in the mouth. Teeth break down the food and mix it with the enzymes in saliva., Oesophagus - This is a thin tube that connects the mouth to the stomach., Liver - This releases a chemical called bile into the intestines. Bile breaks down lipids in the food., Stomach - This is a muscular bag which mixes food and drink with acid., Pancreas - This releases enzymes into the intestines which break down carbohydrates, protein and lipids in food., Small intestine - Here, carbohydrates, proteins and lipids digest. The nutrients produced are then absorbed into the blood., Large intestine - Food which cannot be broken down - mainly fibre - passes into the large intestine. Water is absorbed into the blood., Rectum - Any undigested food passes into the rectum where it is stored as faeces., Anus - This is the opening at the very end of the digestive system through which faeces leaves the body.,

Functions of the digestive system

طباعة
تضمين

لوحة الصدارة

النمط البصري

الخيارات

تبديل القالب

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