B 3.2 Transport

Syllabus statements

B3.2.1 Adaptations of capillaries for exchange of materials between blood and the internal or external environment

B3.2.2 Structure of arteries and veins

B3.2.3 Adaptations of arteries for the transport of blood away from the heart

B3.2.4 Measurement of pulse rates

B3.2.5 Adaptations of veins for the return of blood to the heart

B3.2.6 Causes and consequences of occlusion of the coronary arteries

B3.2.7 Transport of water from roots to leaves during transpiration

B3.2.8 Adaptations of xylem vessels for transport of water

B3.2.9 Distribution of tissues in a transverse section of the stem of a dicotyledonous plant

B3.2.10 Distribution of tissues in a transverse section of the root of a dicotyledonous plant

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B3.2.11 AHL Release and reuptake of tissue fluid in capillaries

B3.2.12 AHL Exchange of substances between tissue fluid and cells in tissues

B3.2.13 AHL Drainage of excess tissue fluid into lymph ducts

B3.2.14 AHL Differences between the single circulation of bony fish and the double circulation of mammals

B3.2.15 AHL Adaptations of the mammalian heart for delivering pressurized blood to the arteries

B3.2.16 AHL Stages in the cardiac cycle

B3.2.17 AHL Generation of root pressure in xylem vessels by active transport of mineral ions

B3.2.18 AHL Adaptations of phloem sieve tubes and companion cells for translocation of sap