7B Chapter 11- the Circulatory System

The following websites might help you study the circulatory system:
http://www.youtube.com/watch?v=S3vY5oyXmeI&noredirect=1
http://www.youtube.com/watch?v=D3ZDJgFDdk0

Some videos for the digestive system:
http://www.youtube.com/watch?v=XxvRbxhqoZkhttp://video.about.com/ibdcrohns/Digestion.htm