The Higher Human Biology course has three units:

• Unit 1: Human Cells

• Unit 2: Physiology and Health

• Unit 3: Neurobiology and Immunology

Unit 1 Human Cells Topics

• division and differentiation

• structure and replication of DNA

• gene expression

• mutations

• human genomics

• metabolic pathways

• cellular respiration

• energy systems in muscle cells

Unit 2 Physiology and Health Topics

• gamete production and fertilisation

• hormonal control of reproduction

• the biology of controlling fertility

• antenatal and postnatal screening

• the structure and function of arteries, capillaries and veins

• the structure and function of the heart

• pathology of cardiovascular disease

• blood glucose levels and obesity

Unit 3 Neurobiology and Immunology Topics

• divisions of the nervous system and neural pathways

• the cerebral cortex

• memory

• the cells of the nervous system and neurotransmitters at synapses

• non-specific body defences

• specific cellular defences against pathogens

• immunisation

• clinical trials of vaccines and drugs

Course Assessment

• Usually: Exam, Paper 1 (40m), Paper 2 (2h 20m) and Assignment Coursework

• For 2022/23: Exam only (2 papers, as above)