April - September:
10:00 to 18:00
October - March:
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Adults: CHF 15.00
Reduced rate: CHF 12.00
Children 6-15: CHF 6.00
Quai Perdonnet 25
1800 Vevey
Switzerland
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The stomach wall contains gastric glands secreting gastric juices. These juices are very acidic (hydrochloric acid) and they dissolve nutrients. They are made up of enzymes (pepsin and lipase) whose major task is to make nutrients water-soluble.
Mucus is a gel covering the stomach wall and protecting it against acidity.
The stomach wall contracts and creates a mechanical movement called churning. These contractions allow the alimentary bolus to mix well with the gastric juices, helping it to break down.
By the time they exit the stomach, the food particles have been finely broken down and some of the complex nutrients have been solubilised. After several hours of churning, the alimentary bolus continues on its journey to the duodenum.