heart or brain - http://www.google.com.ph/imgres?q=heart+and+brain+images&hl=fil&sa=X&biw=1280&bih=629&tbm=isch&prmd=imvns&tbnid=lwZ9h68WJ2Bj9M:&imgrefurl=http://www.doctordisruption.com/category/brain-science/&docid=w9sJHuILyQjgxM&imgurl=http://www.doctordisruption.com/wp-content/uploads/2010/05/heart-and-brain.jpg&w=500&h=250&ei=v9aYUJ6CHqWLmwX2hIDoBQ&zoom=1&iact=rc&dur=517&sig=111204317108160445690&page=1&tbnh=122&tbnw=207&start=0&ndsp=19&ved=1t:429,r:8,s:0,i:89&tx=105&ty=62