Heart diagram- detailed Detailed diagram of the heart
Blood vessel comparison C.S. Compares C.S
Circulatory system (detailed view) Detailed labelled diagram
Blood vessels Diagram showing blood vessels
Lung structure Labelled diagram of lungs
Alveoli Alveoli
Alveoli2 Alveoli
Alveoli3 Microscope view of alveoli
Alveoli4 Nice picture of alveoli
Diaphragm Diagram of Diaphragm
Bronchi Actual image of human bronchi
Gas exchange Image showing gas exchange
Gas exchange Image showing gas exchange
Circulatory system Diagram of circulatory system
villi Diagram of villi/microvilli
Effect of temperature on enzymes Graph showing enzyme activity at different temps
Effect of pH on enzyme activity Graph showing enzyme activity at different pH
Tests for sugars Diagrams showing tests for different carbohydrates
Test for protein/fat Diagrams showing test for protein/fat
artery Diagram of artery
vein Diagram of vein
capillaries Diagram of capillaries
Enzymes and digestion A wonderful photograph of choline esterase. Not linked to a specific syllabus, but the model has a real visual impact and does help students to appreciate what an ‘active site’ is really like, and why enzymes are so specific in their action on particular substrates
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