This is the start of the digestive system. The teeth mechanically grind down the food. The saliva, made in salivary glands, chemically digests the food using enzymes., Muscular bag which contains acid. It mixes food and drink with the acid., Contains food which cannot be broken down further, usually fibre. Water is absorbed into the blood., Foods such as carbohydrates, proteins and lipids are digested here. Nutrients from these foods are absorbed into the blood., Releases a chemical called bile into the intestines via the gall bladder. Bile breaks down lipids (fats and oils) in food., Releases enzymes into the intestines. Enzymes break down foods such as lipids, proteins and carbohydrates.,

digestive sistem

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