This fully-resourced lesson looks at the internal and external structure of the mammalian heart and uses the human heart to represent this anatomy. The engaging and detailed PowerPoint and accompanying resources have been designed to cover point 3.1.2 (e) (i) of the OCR A-level Biology A specification
As this topic was covered at GCSE, the lesson has been planned to build on this prior knowledge whilst adding the key details which will enable students to provide A-level standard answers. The primary focus is the identification of the different structures of the heart but it also challenges their ability to recognise the important relationship to function. For example, time is taken to ensure that students can explain why the atrial walls are thinner than the ventricular walls and why the right ventricle has a thinner wall than the left ventricle. Opportunities are taken throughout the lesson to link this topic to the others found in topic 3.1.2 including those which have already been covered like circulatory systems as well as those which are upcoming such as the initiation of heart action. There is also an application question where students have to explain why a hole in the ventricular septum would need to be repaired if it doesn’t naturally close over time.
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Module 3: Exchange and transport (OCR A-level Biology A)
This bundle contains 18 detailed and engaging lessons which cover the following specification points in module 3 (Exchange and transport) of the OCR A-level Biology A specification: 3.1.1: Exchange surfaces * The need for specialised exchange surfaces * The features of an efficient exchange surface * The structures and functions of the components of the mammalian gaseous exchange system * The mechanism of ventilation in mammals * The mechanisms of ventilation and gas exchange in bony fish and insects 3.1.2: Transport in animals * The double, closed circulatory system in mammals * The structure and functions of arteries, arterioles, capillaries, venules and veins * The formation of tissue fluid from plasma * The external and internal structure of the heart * The cardiac cycle * How heart action is initiated and coordinated * The use and interpretation of ECG traces * The role of haemoglobin in transporting oxygen and carbon dioxide * The oxygen dissociation curve for foetal and adult haemoglobin 3.1.3: Transport in plants * The structure and function of the vascular systems in the roots, stems and leaves * The transport of water into the plant, through the plant and to the air surrounding the leaves * The mechanism of translocation As well as the detailed A-level Biology content of the PowerPoint slides, the resources contain a wide range of tasks including guided discussion points, exam-style questions and quiz competitions which will engage and motivate the students
£22.00
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Module 3.1.2: Transport in animals (OCR A-level Biology)
Each of the 9 lessons in this bundle are fully-resourced and have been designed to cover the content as detailed in module 3.1.2 (Transport in animals) of the OCR A-Level Biology A specification. The specification points that are covered within these lessons include: * A double, closed circulatory system * The structure and function of arteries, arterioles, capillaries, venules and veins * The formation of tissue fluid from plasma * The internal and external structure of the mammalian heart * The cardiac cycle * How heart action is initiated and coordinated * The use and interpretation of ECGs * The role of haemoglobin in transporting oxygen and carbon dioxide * The dissociation curve for foetal and adult haemoglobin * The Bohr effect The lessons have been written to include a wide range of activities and numerous understanding and prior knowledge checks so students can assess their progress against the current topic as well as be challenged to make links to other topics within this topic and earlier topics If you would like to see the quality of the lessons, download the formation of tissue fluid. heart action and ECGs lessons as these are free
£10.00
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