(25) http://commons.wikimedia.org/wiki/Image:MooreStreetDublin.jpg.
CC-BY-SA.
(26) http://commons.wikimedia.org/wiki/File:Central_nervous_system.gif.
GNU-FDL.
(27) ” title Fotolia. Royalty Free.
(28) http://commons.wikimedia.org/wiki/File:CDC_raspberry.jpg. Public Domain.
(29) http://commons.wikimedia.org/wiki/File:Bridget_Sloan_Nationals.JPG.
CC-BY-SA.
(30) http://commons.wikimedia.org/wiki/File:Hemispheres.png. Public Domain.
(31) http://commons.wikimedia.org/wiki/Image:Dispersion_prism.jpg. CC-SA.
(32) http://en.wikipedia.org/wiki/File:Tongue.agr.jpg. GNU-FDL.
(33) http://en.wikipedia.org/wiki/Image:Ritalin-SR-20mg-1000x1000.jpg.
GNU-FDL.
(34). (a)Public Domain (b)CC-BY-SA (c)GNU-FDL (d)Public Domain (e)CC-BY-SA.
(35) http://en.wikipedia.org/wiki/File:Christopher_Reeve_MIT.jpg. Public
Domain.
(36) Ear-anatomy.png. GNU-FDL.
(37) Diane Keys. Royalty Free.
(38) http://aapnews.aappublications.org/cgi/content/abstract/4/9/2-a.
(39) http://commons.wikimedia.org/wiki/File:Nervous_system_diagram.png. Public
Domain.
(40) http://commons.wikimedia.org/wiki/File:Actress-fear-and-panic.jpg.
CC-BY-SA.
