This is the complete AP biology review package for this subject. It contains relevant PowerPoints for review and then a question paper and mark scheme for test prep, and a test paper with mark scheme.
Gas exchange in fish
Single circulation in fish
Efferent and afferent artery
Counter current system
Gas exchange in insects
Ventilation of an insect
Diagram of ventilation system
At rest and active insects
Gas exchange in humans
Introduction to human gas exchange
Diagram of chest
Diagram of lungs
Air passages – reduction in sizes
Maintaining the concentration gradient
1 x question paper and mark scheme
1 x Test paper and mark scheme
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