ZIMSEC O-Level Combined Science
7.1.5Transport systems
Transport systems in ZIMSEC O-Level Combined Science: what the syllabus expects you to know, the learning objectives and how to practise.
Topic147 practice questions7 lessons
Overview
Forms 1 to 4.
In this topic
Lessons
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Diffusion and active transport
24 min
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Osmosis
25 min
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Transpiration
35 min
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Xylem, phloem and water uptake
30 min
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Blood
16 min
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Blood vessels
20 min
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The heart and circulation
22 min
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Sample question
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Exam style
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