A - Unity and Diversity
B - Form and Function
B1.1 Carbohydrates and lipids
B1.2 Proteins
B2.1 Membranes and membrane transport
B2.2 Organelles and compartmentalization
B2.3 Cell specialization
B3.1 Gas exchange
B3.2 Transport
B3.3 Muscle and motility (HL)
B4.1 Adaptation to environment
B4.2 Ecological niches
C - Interaction and Interdependence
D - Continuity and Change
View a summary cheatsheet for B3.2 Transport
B3.2.1 Adaptations of capillaries for exchange of materials
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
B3.2.11 Release and reuptake of tissue fluid in capillaries (HL)
B3.2.12 Exchange of substances between tissue fluid and cells in tissues (HL)
B3.2.13 Drainage of excess tissue fluid into lymph ducts (HL)
B3.2.14 Differences between circulation of bony fish and of mammals (HL)
B3.2.15 Adaptations of the mammalian heart for delivering pressurized blood to the arteries (HL)
B3.2.16 Stages in the cardiac cycle (HL)
B3.2.17 Generation of root pressure in xylem vessels by active transport of mineral ions (HL)
B3.2.18 Adaptations of phloem sieve tubes and companion cells for translocation of sap (HL)
