THE RESPIRATORY SYSTEM

http://kidshealth.org/kid/htbw/lungs.html

http://kidshealth.org/kid/closet/movies/asthma_movie.html

SCIENCE: DIGESTIVE SYSTEM

Read and play with interactive diagrams in
http://kidshealth.org/kid/body/digest_noSW.html

SCIENCE: ECOSYSTEMS and HABITATS

Look at this interesting site with different habitats and the animals living there:
http://www.hitchams.suffolk.sch.uk/habitats/hedge.htm