Genius Games presents Dr. Livingston's human anatomy puzzles, a line of larger-than-life jigsaw puzzles. The puzzles feature stunning art created just for us by mesa schumacher, a certified medical illustrator from johns Hopkins University In this second volume, you will assemble a cross-cut section of the human body that gives you a clear view of the entire rib cage and its contents. You'll see how they interlock and overlap with marvelous intricacy. As you assemble this puzzle you'll frame The organs with crosscuts of the the StepRNUM, ribs, and thoracic vertebrae. Inside that protective cage lie A wealth of vital and vulnerable organs; the trachea carries air to the two lungs, and sitting between them, the four-chambered heart pumps blood through the pulmonary circulatory loop of the lungs. From there, once the blood is rich with fresh oxygen, it begins its journey through the Systemic circulatory system to carry that oxygen to the rest of the body. Puzzles feature beautiful medical illustrations created by certified medical illustrator, mesa schumaker, from johns Hopkins University Each custom shaped puzzle showcases scientifically accurate cross-sections of the human body with unique puzzle piece configurations outlining each organ and major part of the anatomy At twice the size of a real human, these make an exciting challenge to assemble, or a stunning display for a home or classroom wall Dr. Livingston’s human anatomy puzzles are a series of puzzles forming a 10 foot tall human when all put together The human thorax puzzle is 577 piece puzzle with dimension 21 x 20 inches when fully assembled