IB Biology Topic B3.1 Gas Exchange (SL/HL) covers syllabus content as part of Topic B3: Organisms under Theme B: Form and Function. Use these notes, questionbank, videos, flashcards, and lessons to review the topic, practise exam questions, and move between notes, videos, flashcards, and lessons where available.
B3.1 Gas exchange is part of Topic B3: Organisms under Theme B: Form and Function.
What this topic covers
B3.1.1 Gas exchange as a vital function in all organisms
B3.1.2 Properties of gas-exchange surfaces
B3.1.3 Maintenance of concentration gradients at exchange surfaces in animals
B3.1.4 Adaptations of mammalian lungs for gas exchange
B3.1.5 Ventilation of the lungs
B3.1.6 Measurement of lung volumes
B3.1.7 Adaptations for gas exchange in leaves
B3.1.8 Distribution of tissues in a leaf
B3.1.9 Transpiration as a consequence of gas exchange in a leaf
B3.1.10 Stomatal density
B3.1.11 Adaptations of foetal and adult haemoglobin for the transport of oxygen (HL)
B3.1.12 Bohr shift (HL)
B3.1.13 Oxygen dissociation curves (HL)