Biology 12 consists of four modules as follows:

MODULE 1: Cell Biology 1

Section 1: Cell Structure
Section 2: Cell compounds and Biological Molecules
Section 3: Transport Across Cell Membranes

MODULE 2: Cell Biology 2

Section 1: DNA Replication
Section 2: Protein Synthesis
Section 3: Enzymes

MODULE 3: Human Biology 1

Section 1: Digestive System
Section 2: Circulatory System
Section 3: The Heart
Section 4: Respiratory System

MODULE 4: Human Biology 2

Section 1: Nervous System
Section 2: Urinary System
Section 3: Reproduction

This online course uses the textbook, Inquiry Into Life, 11th Edition, as well as multimedia resources. There are online quizzes and assignments to be handed in for each section and 4 module tests.