The Facts On File Illustrated Guide To The Human Body: Heart and Circulatory SystemThis book is a concise, illustrated guide to the anatomy, physiology, well-being, and disorders of the human heart and circulatory systems. The subject is dealt with in clear steps, so that the reader can steadily acquire a good overall understanding. Explanatory texts, diagrams, illustrations, captions, and fact boxes are combined to help readers grasp important information at a glance.