Human eye - Label, understand with the animation...

Parts of the human eye
http://educypedia.karadimov.info/library/eye_animation.swf

Human Eye
http://www.neok12.com/diagram/Light-Optics-01.htm

Human Ear
http://www.neok12.com/diagram/Sound-01.htm

Anatomy of the human eye quiz
http://www.softschools.com/quizzes/science/anatomy_of_the_human_eye/quiz1624.html

Human eye quiz
http://www.funtrivia.com/newflash/trivia.cfm?qid=192439