Growth & Death
Cell Signalling and Molecular Physiology
Protein Synthesis
ATP Production
Electrolytes
Cell Structures
Tissue Structure
Cardiac Output
Cardiac Cycle
Circulation
Special Circulations
Pulmonary Ventilation
Gas Exchange
Regulation of Respiration
Mouth
Stomach
Small Intestine
Large Intestine
Liver
Vitamins
Other
Nephron
Micturition
Regulation
Embryology
Hormones and Regulation
Foetal Physiology
Pregnancy
Components
Synapses
Sensory System
Motor System
Ocular Physiology
Thyroid and Parathyroid Glands
Adrenal Glands
The Pancreas
Hypothalamus and Pituitary
Cells of the Immune System
Innate Immune System
Adaptive Immune System
Immune Responses
Infections
Haematology
Biochemistry provides the molecular foundation for understanding physiology. Cellular processes such as energy production, signalling, gene expression, and electrolyte balance underpin the function of every organ system. This section brings together the core biochemical mechanisms that explain how cells generate energy, communicate, grow, and maintain internal stability.
Within this section, you will find content covering cell signalling and molecular physiology, protein synthesis, ATP production, cell growth and division, and electrolyte regulation. These topics are presented as integrated components of cellular function, helping to clarify how molecular events translate into coordinated physiological responses across tissues and systems.
Disturbances in molecular pathways can lead to widespread physiological dysfunction. Alterations in signalling cascades, metabolic regulation, or ion balance contribute to metabolic disease, endocrine disorders, and cellular pathology. This section is designed to support systems-based understanding by placing biochemical processes within their broader physiological and clinical context.
by Ade Folorunso
by Nada Alfahad
by Aleksandra Lasica and Matan Bone
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