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You learn how food is broken down, absorbed and used by the body. This helps you answer questions on digestive enzymes, food classes and why a balanced diet matters for health and energy.
You should already know the main human body systems and the basic parts of the digestive tract. It also helps if you can name common food classes such as carbohydrates, proteins, fats, vitamins and minerals.
One question from this skill's own question bank, shown with its full working.
Which enzyme in saliva begins the digestion of starch?
Working: Salivary amylase (ptyalin) breaks starch down into maltose in the mouth.
This topic usually appears in SHS biology or integrated science lessons on nutrition, digestion and the human body. In WASSCE preparation, it supports questions that test enzyme action, absorption and the role of a balanced diet.
Curriculum notes are a general guide to where this work normally sits. Always check the syllabus your school or examination body is currently using.
Other SHS Integrated Science: Human Body Systems skills in Science, at the same point in the course.
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6 questions with a worked answer after every attempt, and a SmartScore that tracks how close you are to mastery.