Cell biology
Molecular biology
Genetics
Ecology
Evolution and biodiversity
Human physiology
Nucleic acids (HL)
Metabolism, cell respiration and photosynthesis (HL)
Plant biology (HL)
Genetics and evolution (HL)
Animal physiology (HL)
Option A - Neurobiology and behaviour
Option B - Biotechnology and bioinformatics
Option C - Ecology and conservation
Option D - Human physiology
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What is the primary function of the digestive system?
To break down food into nutrients for energy, growth, and cell repair.