2.4.1

Health Issues

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Health Issues

Health refers to someone's physical and mental well-being. Disease is a major contributor to ill health. Other factors include diet, stress and life situations.

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Types of disease

  • Disease can be subdivided into two categories:
    • Communicable diseases, which can be spread between organisms.
    • Non-communicable diseases, which cannot be spread between organisms.

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1Cell Biology

1.1What's in Cells?

1.2Cell Division

1.3Transport in Cells

2Organisation

2.1Principles of Organisation

2.2Enzymes

2.3Circulatory System

2.4Non-Communicable Diseases

2.5Plant Tissues, Organs & Systems

3Infection & Response

4Bioenergetics

5Homeostasis & Response

5.1Homeostasis

5.2The Human Nervous System

5.3Hormonal Coordination in Humans

5.4Plant Hormones

6Inheritance, Variation & Evolution

7Ecology

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