The following will be useful for classroom work (perhaps extending to the hall or gym) on the human body and health related topics:
magazines or catalogues containing photos of different-aged people from a range of ethnic groups; stop-watches (for work on the heart rate);
breakfast cereal packets (plus any other packages containing nutrition panels);
a computer spreadsheet program;
Government publications about drugs, health and diet.
Websites:
www.bbc.co.uk]science/humanbody/body/index_ interactivebody.shtml
www.bbc.co.uWschools/podsmission/teachers07.shtml
www.parenting.co.uk/health/smoking.cfm
Books and CD-ROMs
Scholastic Primary Science: It's Alive
Scholastic Primary Science: Animals Grow
Scholastic Primary Science: Body Works