Page 24 - Ebook Digestive System Grade XI
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2 Structure and Function of
The Human Digestive
System
Structure and Function of the Human Digestive System
The digestive system, or gastrointestinal system, consists of several
digestive organs. The human digestive system is divided into two main groups:
the internal organs of the digestive tract and the accessory digestive organs. The
human digestive tract, also known as the gastrointestinal tract, is a tube that
extends from the mouth to the anus. This channel serves to digest, break down,
and absorb food nutrients passed through the blood circulation.
The organs of the digestive tract include the mouth, esophagus (gullet),
stomach, small intestine, large intestine, rectum, and anus. Meanwhile, the
complementary digestive organs are the mouth, gall bladder, salivary glands,
liver, and pancreas. Digestion in our bodies is essential because the body needs
nutrients from food and fluids from drinks to function normally. Nutrients from
Food are required for energy formation, growth, and tissue repair.
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