[<< wikibooks] GAMSAT Guide/Science/Biology
Energy and Living Cells
The Cell
Glycolysis, Krebs Cycle and Oxidative Phosphorylation
Life and Muscular Systems
Endocrine and Nervous Systems
Homeostasis
The Immune System
Cardiac Cycle
Reproduction and Development
Inheritance and Selection
Have a good look at negative feedback wherever it comes up - e.g. in Endocrine system
Familiarise yourself with graphical representations of the heartbeat.. the pqrst complex and what parts of the heart are doing what during the various stages
Look at oxygen dissociation curves and understand what they mean and how they shift in response to different internal and external environments