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Syllabus

The Digestive and Excretory Systems — Syllabus

ICSE · Class 4 · Science

What The Digestive and Excretory Systems covers in ICSE Class 4 Science: 3 topics, for the 2026-27 session. Part of the ICSE Class 4 Science syllabus.

45 questions30 flashcards4 concepts

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A detailed labeled diagram of the human alimentary canal and associated glandular organs (salivary glands, liver, pancreas).
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3 Topics · ICSE Class 4 Science · 2026-27

Topics in The Digestive and Excretory Systems

1

The Digestive System

  • Digestion starts in the mouth when we chew food with our teeth.
  • Saliva in the mouth softens food and starts breaking it down.
  • The tongue pushes chewed food into the food pipe (oesophagus).
2

The Excretory System

  • The excretory system removes waste from the body.
  • Main organs: Kidneys, ureters, urinary bladder, and urethra.
  • Kidneys filter blood and make urine.
3

Healthy Habits for Digestion and Excretion

  • Chew food properly to help digestion.
  • Eat a balanced diet with fruits, vegetables, and fibre.
  • Drink plenty of water every day — at least 6-8 glasses.

Key Concepts

Central concept: Human Body Systems

Digestive SystemExcretory SystemNeed for WaterHealthy HabitsKey Terms

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Frequently Asked Questions

What are the important topics in The Digestive and Excretory Systems for ICSE Class 4 Science?
Key topics in The Digestive and Excretory Systems include The Digestive System, The Excretory System, Healthy Habits for Digestion and Excretion. Study these first, then practise questions on each for Class 4 exams.
How should I revise The Digestive and Excretory Systems for Class 4 exams?
Learn the core ideas first, then work through the 45 practice questions on The Digestive and Excretory Systems. 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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