National Geographic explores the human body from the inside out as never before. These questions are designed to accompany the complete HUMAN BODY COLLECTION, SEASON 1, 6-EPISODE SERIES which can be found at amazon.com. Excellent video collection for Biology teachers, Anatomy teachers, Pathophysiology teachers, or anyone in the medical field (nursing, physical therapy, medical students, etc.) Take advantage of the reduced price if you purchase the complete bundle!