Need to show a patient a close-up of how the circulatory or respiratory systems works? Blausen Medical's Human Atlas provides full-color, 3-D animations and illustrations about various parts of the human body for just that purpose. The atlas, which also provides voiceover narration, is available for Apple's iOS, Research In Motion's BlackBerry, and Google's Android operating systems, as well as the iPad and RIM's PlayBook tablet. It comes in two volumes, with 150 topics in each. It has 15 subatlases, focusing on specific areas, such as circulatory, pediatric, and skeletal. The smartphone apps are $19.99, and the tablet apps run $29.99. The subatlases are $3.99 to $4.99 for smartphones and $8.99 to $9.99 for tablets.