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🎓 IGCSE Biology - The Complete Course: https://www.tes.com/teaching-resource/resource-12989155 IGCSE Chemistry - The Complete Course: 🎓 Complete Teaching Resource (including past exam questions and mark schemes organised by chapter): https://www.tes.com/teaching-resource/resource-13280954 🎓 Student resource (PDF only): https://www.tes.com/teaching-resource/resource-13245244 🎓 All the videos (the complete library on Patreon): https://www.patreon.com/igbiocomplete ☕️ Buy me a coffee - https://www.buymeacoffee.com/ArthurJohnParker Cambridge IGCSE Biology (0610/0970) Chapter 7 - Human nutrition Topic 7.5 - Absorption For exams from 2025 (core and extended) As always this video follows the Cambridge syllabus exactly and contains absolutely everything you need to know for your final exam! My other channels: @igpecomplete - Cambridge IGCSE PE @ocrpecomplete - OCR GCSE PE Timestamps: 0:00 Contents 0:23 Absorption 0:53 Villi and microvilli (extended) 1:29 Structure of a villus (extended) Core content: - State that the small intestine is the region where nutrients are absorbed. - State that most water is absorbed from the small intestine but that some is also absorbed from the colon. Extended content: - Explain the significance of villi and microvilli in increasing the internal surface area of the small intestine. - Describe the structure of a villus. - Describe the roles of capillaries and lacteals in villi.
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