AS Biology-Topic 8-The heart - Worksheet and Mark scheme
This worksheet focuses on the structure of the heart and how it operates. It includes questions about the electrical events that trigger contraction of the heart, labelling the heart and the cardiac cycle. It follows the Cambridge International AS Biology curriculum 9700, Topic 8 (Transport in mammals), although it could be used for other curricula too. The mark scheme is included. It is a PDF document.
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£1.90