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Cambridge IGCSE Combined Science, topic 7

Human nutrition

Human nutrition is about how the body gets the materials and energy it needs from food. You will learn what a balanced diet contains, and how the organs of the digestive system break food down physically and chemically into small soluble molecules.

Subtopics

Work through them in order. Each one has notes, exam questions and flashcards, and a PDF of each. Subtopics that are not in 0653 are left out.

  1. 1Diet Spec B7.1A balanced diet, and the sources and importance of carbohydrates, fats, proteins, vitamins C and D, calcium, iron, fibre and water.NotesQuestions 4Flashcards 6
  2. 2The digestive system Spec B7.2, B7.3The organs of the alimentary canal and the associated organs, the five processes of nutrition, physical digestion, stomach acid and bile.NotesQuestions 3Flashcards 8
  3. 3Chemical digestion Spec B7.3Chemical digestion into small soluble molecules, and what amylase, protease and lipase break down, their products and where they act.NotesQuestions 4Flashcards 6

Not in Cambridge IGCSE Combined Science: Absorption.

Whole topic

When you have done the subtopics: test yourself on everything, or print the lot.