ZIMSEC O-Level Biology
8.6.5Transport
Transport in ZIMSEC O-Level Biology: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic88 practice questions4 lessons
Overview
Form 3.
Learning objectives
What the syllabus expects you to be able to do.
- 8.6.5.1Describe the parts of the circulatory system, the structure and working of the heart (cardiac cycle, valves), and compare the pulmonary and systemic circulations.
- 8.6.5.2Relate the structure of arteries, veins and capillaries to their functions and describe the exchange of materials between capillaries and tissue fluid by diffusion and pressure filtration.
- 8.6.5.3State the functions of red blood cells, white blood cells, platelets and plasma.
- 8.6.5.4Identify the causes of high blood pressure and the risk factors for coronary heart disease.
Lessons
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Blood
16 min
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Blood vessels
20 min
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Coronary heart disease and high blood pressure
20 min
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The heart and circulation
22 min
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Sample question
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