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Chapter Eleven
FOR ONLINE USE ONLY
The human digestive system
Human beings eat food in order to live. The human body is
made up of several systems. In this chapter, you will learn
about the digestive system and its importance.
Study the following diagram and then read the description
that follows.
Throat
Mouth Oesophagus
(gullet)
Stomach
Liver
Gall bladder Pancreas
Small intestine
Large intestine
(Colon)
Rectum
Anus
Figure The human digestive system
Digestion is the process of breaking down large food substances
into smaller soluble food substances. Soluble food substances
can be easily absorbed in the body.
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Ministry of Education, Science and Technology
Science and Technology 3.indd 88 03/08/2019 11:02