Question

What is consciousness - how can whatever goes on in the brain can account to what goes on?

Answer 1

Explore this page! http://psychology.about.com/od/statesofconsciousness/f/consciousness.htm
It's easy to understand, but has some great links for more information and is really well organized.

Answer 2

Consciousness? It's for whatever the brain accounts out of everything that's going around us.

In simple words, it means being aware.
For example, "While in class, she was not conscious to the different discussions that went on in the last benches of the room."