Biology Cognito Videos - Search Videos

A-Level Biology - Circulatory Systems - Why We Need Them | Key Components | Types (2026/27 exams)

A-Level Biology - Circulatory Systems - Why We Need Them | Key Components | Types (2026/27 exams)

7.2K views4 months ago

A-Level Biology - Genetic Code | How DNA Packs into Chromosomes | Codon Tables (2026/27 exams)

A-Level Biology - Genetic Code | How DNA Packs into Chromosomes | Codon Tables (2026/27 exams)

14.3K views6 months ago

A-Level Biology - Translocation & Mass Flow Hypothesis | How Active Loading Works (2026/27 exams)

A-Level Biology - Translocation & Mass Flow Hypothesis | How Active Loading Works (2026/27 exams)

8.7K views2 months ago

A-Level Biology - 5 Kingdoms & 3 Domains | How Viruses are Classified (2026/27 exams)

A-Level Biology - 5 Kingdoms & 3 Domains | How Viruses are Classified (2026/27 exams)

5.5K views3 months ago

A-Level Biology - Mitosis - Stages of Mitosis & Cytokinesis | Cell Division & Cancer (2026/27 exams)

A-Level Biology - Mitosis - Stages of Mitosis & Cytokinesis | Cell Division & Cancer (2026/27 exams)

20.3K views5 months ago

A-Level Biology - How the Heartbeat is Controlled - Pathway of Excitation | ECGs (2026/27 exams)

A-Level Biology - How the Heartbeat is Controlled - Pathway of Excitation | ECGs (2026/27 exams)

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GCSE Biology - Mitosis | Chromosomes | Cell Division | Cytokinesis (2026/27 exams)

GCSE Biology - Mitosis | Chromosomes | Cell Division | Cytokinesis (2026/27 exams)

199.2K viewsApr 17, 2025

A-Level Biology - Cell Fractionation & Ultracentrifugation (2026/27 exams)

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KS3 Biology - Animal & Plant Cells

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GCSE Biology - Homeostasis | Receptors, Coordination Centres, Effectors | Negative Feedback

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GCSE Biology - Classification Systems | Linnaean System (2026/27 exams)

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GCSE Biology - Competition & Interdependence (2026/27 exams)

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A-Level Biology - Xylem & Phloem - Structure | Function | Distribution (2026/27 exams)

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A-Level Biology - Cell Cycle - Interphase | Mitosis | Cytokinesis | Checkpoints (2026/27 exams)

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A-Level Biology - Fluid Mosaic Model - What Cell Membranes Are | Key Structures (2026/27 exams)

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GCSE Biology - The Circulatory System | The Blood (2026/27 exams)

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A-Level Biology - Cardiac Cycle - Atrial Systole | Ventricular Systole | Diastole (2026/27 exams)

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GCSE Biology - The Nervous System | Reflex Arcs Explained (2026/27 exams)

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GCSE Biology - Photosynthesis (2026/27 exams)

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The Digestive System

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GCSE Biology - The Lungs & Gas Exchange (2026/27 exams)

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GCSE Biology - Communicable Disease (2026/27 exams)

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A-Level Biology - Gas Exchange in Fish | Countercurrent Exchange System (2026/27 exams)

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A-Level Biology - DNA Replication | 3 prime and 5 prime ends (2026/27 exams)

25K views6 months ago

The Circulatory System & The Heart

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GCSE Biology - DNA Part 1 | Chromosomes & Genome (2026/27 exams)

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GCSE Biology - Structure of a Leaf | Plant Cell Organisation (2026/27 exams)

143.1K viewsMar 27, 2025

GCSE Biology - Immune System & Defences | Types of White Blood Cell (2026/27 exams)

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GCSE Biology - Genetic Diagrams | Punett Squares (2026/27 exams)

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GCSE Biology - Food Chains & Predator-Prey Cycles (2026/27 exams)

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