B3.1 Gas exchange

Master B3.1 Gas exchange with International Baccalaureate (IB) Biology exam-style questions, flashcards, lessons, and notes. All resources are aligned with the International Baccalaureate (IB) syllabus and designed for both SL and HL students.

Subtopics

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)

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