- secondary sources eg reference books, CD-ROMs, the internet, leaflets about food from supermarkets, health centres and pharmacies, food labels
- timing devices with an appropriate degree of accuracy (seconds not hundredths of seconds), possibly digital pulse meters
- sources of information about drugs eg local health education authority
- balloon pump or bicycle pump
- video/other secondary sources illustrating the function of the heart
- spreadsheet, graphing and DTP software
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