1.1 Introduction to the human circulatory system

1.2 Adaptation of the Structure of blood vessels to their functions

1.3 Pulse and measuring pulse

1.4 Components of Blood

1.5 Cardiovascular Diseases

2.1 Introduction to Reproduction

2.2 Asexual Reproduction

2.3 Sexual Reproduction

2.4 Comparing sexual and asexual reproduction

2.5 STDs

3.1 Introduction to biodiversity

3.2 Importance of biodiversity

3.3 Use Quadrats to estimate biodiversity in an ecosystem

3.4 Impact of natural disasters on biodiversity

3.5 Effects of human activities on biodiversity

3.6 Reducing the effects of human activities on biodiversity

4.1 What is photosynthesis?

4.2 Leaf adaptations for photosynthesis

4.3 Movement of Carbon dioxide into leaf by diffusion

4.4 Testing for the presence of starch in a leaf

4.5 Investigating factors affecting photosynthesis