hypothalamus - http://www.google.com.ph/imgres?q=hypothalamus+image&hl=fil&sa=X&biw=1360&bih=632&tbm=isch&prmd=imvns&tbnid=1TbMfZT6uJI0IM:&imgrefurl=http://en.wikipedia.org/wiki/Hypothalamus&imgurl=http://upload.wikimedia.org/wikipedia/commons/thumb/b/b2/Illu_diencephalon_.jpg/250px-Illu_diencephalon_.jpg&w=250&h=188&ei=NRw-UNuMEsT9mAXlr4CYBA&zoom=1&iact=rc&dur=1633&sig=110326582345214156483&page=1&tbnh=138&tbnw=184&start=0&ndsp=21&ved=1t:429,r:0,s:0,i:69&tx=217&ty=278