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Human Body: Digestive System — Syllabus

ICSE · Class 6 · Biology

What Human Body: Digestive System covers in ICSE Class 6 Biology: 4 topics, for the 2026-27 session. Part of the ICSE Class 6 Biology syllabus.

93 questions30 flashcards5 concepts

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A comprehensive labeled diagram of the human alimentary canal and its associated digestive glands, showing the path of food.
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4 Topics · ICSE Class 6 Biology · 2026-27

Topics in Human Body: Digestive System

1

Organs of the Digestive System

  • The digestive system consists of the alimentary canal and associated glands.
  • Alimentary canal includes: mouth, oesophagus, stomach, small intestine, large intestine, and rectum.
  • Digestive glands include: salivary glands, liver, and pancreas.
2

Process of Digestion

  • Digestion involves five steps: ingestion, digestion, absorption, assimilation, and egestion.
  • Digestion begins in the mouth with saliva breaking down starch into sugar using amylase.
  • In the stomach, proteins are broken down by pepsin in the presence of hydrochloric acid.
3

Structure and Function of Teeth

  • Humans have four types of teeth: incisors, canines, premolars, and molars.
  • Incisors cut food, canines tear, premolars and molars grind and crush.
  • Adults have 32 permanent teeth; children have 20 milk teeth.
4

Care of Teeth and Digestive Health

  • Plaque is a sticky film of bacteria and food particles that forms on teeth.
  • Bacteria in plaque produce acid that causes tooth decay (caries).
  • Toothache occurs when decay reaches the pulp containing nerves.

Key Concepts

Central concept: Digestive System

NutrientsAlimentary CanalDigestive GlandsDigestion ProcessTeethTongueEnzymesAbsorption

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Frequently Asked Questions

What are the important topics in Human Body: Digestive System for ICSE Class 6 Biology?
Key topics in Human Body: Digestive System include Organs of the Digestive System, Process of Digestion, Structure and Function of Teeth, Care of Teeth and Digestive Health. Study these first, then practise questions on each for Class 6 exams.
How should I revise Human Body: Digestive System for Class 6 exams?
Learn the core ideas first, then work through the 93 practice questions on Human Body: Digestive System. Revise definitions regularly and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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