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Опубликованно: 10.05.2005.
Язык: Английский
Уровень: Средняя школа
Литературный список: Нет
Ссылки: Не использованы
  • Эссе 'Digestive System ', 1.
Фрагмент работы

The food in the stomach gets physically ground up and chemically worked on by the gastric juices. At the end of this process, this mixture of partially digested food and gastric juices is given the name chyme...
From the stomach, the chyme travels through the pyloric sphincter valve (which opens when the stomach is full, it allows only small amounts into the small intestine at a time) and into the duodenum, the first part of the small intestine. The small intestine is 7 meters long and about 2.5 centimeters in diameter, it is made up of three structures the duodenum, jejunum, and ileum. …

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