B3.1 Gas Exchange – Interactive Lesson | IB Biology HL скачать в хорошем качестве

B3.1 Gas Exchange – Interactive Lesson | IB Biology HL

Welcome to Noteworthy Science! In this video, Mr Marier teaches the HL learning outcomes for subtopic B3.1 Gas Exchange in the IB Biology syllabus (first exam 2025). This is taught in Grade 12 (DP2 Biology HL) at the end of the first subtopic in Topic 5: Body Systems. 📝Follow along by downloading handwritten lesson notes for free (HL notes on second to last page): https://shorturl.at/TtqkG --- 🌐 https://www.noteworthyscience.com/   / noteworthyscience   --- In this lesson, we cover the amazing adaptations of foetal and adult haemoglobin, the Bohr shift, and how to interpret oxygen dissociation curves. Understand cooperative binding, carbon dioxide’s effect on oxygen release, and the S-shaped sigmoidal curve — all essential for mastering understanding of gas exchange in IB Biology HL. Perfect for revision and exam prep! --- Chapters: 00:00 Introduction 01:22 Haemoglobin and erythrocytes 04:42 Oxygen dissociation curve 08:20 Cooperative binding of oxygen 11:41 Gas exchange in pregnancy 13:30 Foetal haemoglobin 15:35 Impact of HbF on Oxygen dissociation curve 18:18 Haemoglobin and carbon dioxide 20:27 Bohr Shift 22:28 Recap 23:48 Learning outcomes 25:26 Learning resources 26:58 Like, Comment, Subscribe --- Logo animation:   / ysavisual   --- This content is independently created and shared in a personal capacity