These comprehensive video lessons help IB Biology students Standard Level (SL) and Higher Level (HL) understand and master the essential concepts needed for success in IB Exams. Each video focuses on B3.1 Gas exchange and is aligned with the IB Biology syllabus, ensuring focused learning on cell biology, genetics, and ecology. Students can watch and rewatch anytime, anywhere, perfect for visual learners, reinforcing complex concepts, and understanding IB methodology. By using RevisionDojo's video lessons consistently, learners build deep understanding and enter the exam with confidence.
Biology B3.1.1
B3.1.1 Gas exchange as a vital function in all organisms
Biology B3.1.2
B3.1.2 Properties of gas-exchange surfaces
Biology B3.1.3
B3.1.3 Maintenance of concentration gradients at exchange surfaces in animals
Biology B3.1.4
B3.1.4 Adaptations of mammalian lungs for gas exchange
Biology B3.1.5
B3.1.5 Ventilation of the lungs
Biology B3.1.6
B3.1.6 Measurement of lung volumes
Biology B3.1.7
B3.1.7 Adaptations for gas exchange in leaves
Biology B3.1.8
B3.1.8 Distribution of tissues in a leaf
Biology B3.1.9
B3.1.9 Transpiration as a consequence of gas exchange in a leaf
Biology B3.1.10
B3.1.10 Stomatal density
Biology B3.1.11
B3.1.11 Adaptations of foetal and adult haemoglobin for the transport of oxygen (HL)
Biology B3.1.12
B3.1.12 Bohr shift (HL)
Biology B3.1.13
B3.1.13 Oxygen dissociation curves (HL)