This GCSE worksheet focuses on the circulatory system, specifically examining the structure and function of veins and heart valves.
It presents cross-sectional images of veins for students to analyse for circulatory efficiency, asks about the unidirectional flow of blood, and explores the consequences of defective heart valves, including potential medical interventions.
An answer sheet is provided to facilitate accurate self-assessment or grading. This worksheet is also ideal for supplementing lessons on human physiology and cardiovascular health.
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