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Biology Paper 1


These videos are fully up to date with the AQA spec for 2024

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The Digestive System
Required Practical 4 Food Tests
Digestive Enzymes
Required practical 5 Effect of pH on amylase
The effect of temperature and pH on enzymes
Absorption in the small intestine
The heart and circulation
Cardiovascular diseases
Arteries Veins and Capillaries
Gas exchange in the lungs
The Blood
Communicable and non communicable diseases
Plant tissues
Correlating risk factors
Lifestyle and disease