Embedded Files
Guiding questions
Guiding questions
How are multicellular organisms adapted to carry out gas exchange?
What are the similarities and differences in gas exchange between a flowering plant and a mammal?
Linking questions
Linking questions
How do multicellular organisms solve the problem of access to materials for all their cells?
What is the relationship between gas exchange and metabolic processes in cells?
Syllabus statements
Syllabus statements
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
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B3.1.11 AHL Adaptations of foetal and adult haemoglobin for the transport of oxygen
B3.1.12 AHL Bohr shift
B3.1.13 AHL Oxygen dissociation curves as a means of representing the affinity of haemoglobin for oxygen at different oxygen concentrations
Resources used in class
Resources used in class
The power point presentation and the accompanying student notes are used as resources in class - together with activites, discussion, simulations and experiments.
1. B 3.1 SL Gas exchange - student notes.pdf1. B 3.1 HL Gas exchange - student notes.pdfPage updated
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