L1 - A Balanced Diet
L2 - Enzyme Activity
L3 - Enzymes and Temperature
L4 - Enzymes and pH
L5 - Human Teeth
L6 & 7 - Digestive System
L1 - The Heart
L2 - Heart Rate
L3 - Blood Vessels
L4 - Circulatory System
L5 - Coronary Heart Disease
L6 - Blood
L7-8 - Defence Against Pathogens
L9 - Vaccinations
L1 - Respiration
L2-3 - Respiration Experiments
L4 - Lung Structure
L5 - Gas Exchange
L6 - Breathing
L7 - Breathing and Exercise
L8 - Smoking