Edexcel A (SNAB) Spec Points

Topic 1- Lifestyle, Health and Risk

1.1- Understand why many animals have a heart and circulation (mass transport to overcome limitations of diffusion in meeting the requirements of organisms).

1.2- Understand the importance of water as a solvent in transport, including its dipole nature

1.3- Understand how the structures of blood vessels (capillaries, arteries and veins) relate to their functions

1.4

1.5

1.6

1.7

1.8

1.9

1.10

1.11

1.12

1.13

1.14

1.15

1.16

Core Practical 1

1.17

Core Practical 2

1.18

Topic 2-