The Brain

Brain Power
http://lsc.org/online_science/brainpower/brainpower.html 
All about the brain and the power of memory.

Probe the Brain
http://www.pbs.org/wgbh/aso/tryit/brain/ 
Use a virtual electric probe to explore an exposed brain. All you need to do is shock and observe.

Brain Anatomy
http://www.brainconnection.com/topics/?main=gal/cns-home
Images of the brain and how parts relate to body functions.

Brain Drain
http://www.harcourtschool.com/activity/brain/brain.html
Play the brain drain game and work out what each part of the brain controls.

Yearning for Learning 
http://whyfiles.org/093learn/
Learn about the role of neurons in learning.