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I. AS Module 1 (Biology and Human Biology) Molecules, Cells and Systems (497)

II. AS Module 2 (Biology only) Making Use of Biology (313)

III. AS Module 3 Pathogens and Disease (398)

IV. AS Module 4 (Biology and Human Biology) Centre-Assessed Coursework

V. A2 Module 5 (Biology and Human Biology) Inheritance, Evolution and Ecosystems (609)

VI. A2 Module 6 (Biology only) Physiology and the Environment (666)

VII. A2 Module 7 (Human Biology only) The Human Life-Span (679)

VIII. Additional materials (854)

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Resources: 1 – 25 Total: 25


		[Illustration] Blood plasma Play					[Whiteboard exercise] Characteristics of positive and negative feedback Play


		[Slideshow] Control of homeostatic mechanisms Play					[Simulation] Effects of changes in blood volume on the volume of excreted urine Play


		[Whiteboard exercise] Extracellular and intracellular spaces in the human organism Play					[Slideshow] Homeostasis – stability of the internal environment Play


		[Student activity] Homeostasis – the stability of the internal environment Play					[Slideshow] Homeostatic regulation in plants Play


		[Student activity] How homeostatic mechanisms work – blood calcium levels Play					[Simulation] How homeostatic mechanisms work – blood calcium levels Play


		[Student activity] Internal environment of the organism Play					[Student activity] Negative feedback – blood volume Play


		[Whiteboard exercise] Negative feedback – blood volume Play					[Whiteboard exercise] Optimum values for the physiological variables Play


		[Whiteboard exercise] Organs involved in homeostasis Play					[Whiteboard exercise] Pathway of the stimulus Play


		[Student activity] Positive feedback – blood-clotting Play					[Animation] Positive feedback – blood-clotting Play


		[Illustration] Regulation of blood volume during haemorrhage Play					[Whiteboard exercise] Role of the homeostatic mechanism Play


		[Student activity] Role of the nervous system in homeostasis Play					[Slideshow] Stimulation of hormone secretion Play


		[Class activity] The concept of homeostasis Play					[Whiteboard presentation] The concept of homeostasis Play


		[Animation] The internal environment of multicellular organisms Play

Resources: 1 – 25 Total: 25

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