IB Biology: B3.2 Transport (first exams in 2025)

This lesson can be purchased as part of the IB Complete course bundle (first exams 2025) at a heavily discounted price, formed of 40 fully resourced lessons, end of topic exams and student checklists. It can be found here

This PowerPoint contains everything you need to teach the B3.2 Transport in the new IB Biology specification.

YouTube video is a preview of the full resource (does not include all slides)

This Powerpoint consists of 100 slides and contains the followings:

• All the information ( HL) the IB have included in the new spec.
• Exam tips/Reflections
• Clear diagrams
• Student research tasks
• Clearly identified HL and SL content
• Student checklist
• Summary

The following content is included:

B3.2.1:Describe the structures of the arteries, capillaries and veins and explain how they are adapted for their functions.
B3.2.2: Outline different methods of measuring pulse rate.
B3.2.3: Outline the causes and consequences of occlusion of the coronary arteries.
B3.2.4:Explain how water is transported from the roots to the leaves during transpiration.
B3.2.5: Outline the adaptation of the xylem vessels for the transport of water.
B3.2.6: Draw and annotate plan diagrams from micrographs showing the distribution of tissues in a transverse section of the stem of a dicotyledonous plant, and dicotyledonous root.
B3.2.7: Describe how tissue fluid is released and taken back up by the capillaries.
B3.2.8: Compare and explain the composition of plasma and tissue fluid.
B3.2.9: Outline how excess tissue fluid is drained into lymph ducts.
B3.2.10: Compare the single circulation of bony fish to the double circulation of mammals.
B3.2.11: Explain the adaptations of the mammalian heart for delivering pressurised blood to the arteries.
B3.2.12: Outline the stages of the cardiac cycle.
B3.2.13: Explain how root pressure is generated in xylem vessels
B3.2.14: Outline the adaptations of phloem sieve tubes and companion cells for the translocation of sap.