AQA GCSE Biology
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How Science Works
Diet and exercise
How our bodies defend themselves against infectious diseases
The nervous system
Control in the human body
Control in plants
Drugs
Adaptations
Energy in biomass
Decay processes
The carbon cycle
Why organisms are different
Reproduction
Evolution
Cells and cell structure
Tissues, organs and organ systems
Photosynthesis
Distribution of organisms
Proteins
Enzymes
Aerobic respiration
Anaerobic respiration
Cell division
Genetic variation
Genetic disorders
Old and new species
Dissolved substances
Gaseous exchange
Exchange systems in plants
The blood system
The blood
Transport systems in plants
Removal of waste and water control
Temperature control
Sugar control
Waste from human activity
Food production