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Biology Paper 1

Organisation (17 Videos)

The Digestive System

Digestive Enzymes

Effect of Temperature and pH on Enzymes

Required Practical 4: Food Tests

Required Practical 5: Effect of pH on Amylase

Absorption in the Small Intestine

The Heart and Circulation

Arteries, Veins and Capillaries

The Blood

Cardiovascular Diseases

Gas Exchange in the Lungs

Cancer

Communicable and Non-Communicable Disease

Correlating Risk Factors

Lifestyle and Disease

Plant tissues

Transpiration