Edexcel · IGCSE

Your journey to excellence inHuman Biology

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Cell Structures and Functions

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DNA Structure and Replication

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RNA and Protein Synthesis

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Genetic Engineering Principles

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Mitosis and Stem Cells

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Specialised Cells and Tissues

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Chemical Elements in Biomolecules

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Structure of Carbohydrates, Proteins, Lipids

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Tests for Biomolecules

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Role of Enzymes

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Factors Affecting Enzyme Activity

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Uses of Immobilised Enzymes

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Diffusion, Osmosis, Active Transport

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Factors Affecting Movement Rates

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Structure of the Skeleton

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Functions of Joints

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Muscle and Bone Interaction

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Dietary Factors for Bone Health

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Osteoporosis Causes and Symptoms

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Structure of Neurones

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Central Nervous System

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Brain Areas and Functions

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Reflex Arcs and Sensory Receptors

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Hormones and Growth Regulation

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Eye and Ear Structure and Function

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Effects of Drugs and Alcohol

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Mental Illness and Neurological Disorders

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Balanced Diet Components

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Sources and Functions of Nutrients

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Deficiency Diseases

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Digestive System Structure and Function

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Role of Digestive Enzymes

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Absorption in the Small Intestine

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Obesity and Health Risks

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Food Safety and Hygiene

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Aerobic Respiration Process

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Anaerobic Respiration Differences

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Role of ATP in Energy Transfer

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Thorax Structure and Function

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Ventilation Mechanisms

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Lung Adaptations for Gas Exchange

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Breathing Rate and Exercise Effects

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Oxygen Debt and Recovery

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Smoking Effects on Respiratory System

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Blood Composition and Functions

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Role of Plasma and Tissue Fluid

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Red Blood Cells and Oxygen Transport

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White Blood Cells and Immunity

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Blood Vessels Structure and Function

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Heart Structure and Function

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Heart Disease Causes and Treatments

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Hypertension and Treatments

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Monoclonal Antibodies and Disease Detection

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Temperature Regulation by Skin

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Excretion and Renal System

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Osmoregulation and ADH Role

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Blood Glucose Regulation

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Kidney Transplants and Dialysis

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Liver Functions in Homeostasis

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Fertilisation and Embryo Formation

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Meiosis and Genetic Variation

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Male and Female Reproductive Systems

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Hormones in Menstrual Cycle

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Pregnancy and Birth Processes

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Contraceptive Methods and IVF

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Genetic Inheritance and Diagrams

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Inherited Conditions and Gene Therapy

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Disease Course and Pathogens

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Virus Structure and Transmission

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Bacterial Growth and Antibiotics

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Transmission and Prevention of Diseases

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Role of Vaccines and Immunity

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Antibiotic Resistance Concerns

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Useful Microorganisms in Decomposition

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Sewage Treatment Processes

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