Similar Material g70 3/8 pp. 17-19 Your Body—Marvel of Engineering Excellence Your Amazing Circulatory System Awake!—1974 The Marvels of the Circulatory System Awake!—2001 You Are an Engineering Marvel Awake!—1977 Generosity in Man’s Creation Awake!—1973 That Amazing Organ—Our Heart! The Watchtower Announcing Jehovah’s Kingdom—1984 Wonderfully Made to Stay Alive Awake!—1988 What Is the Most Precious Fluid of All? Awake!—2006 Made to Beat Forever Awake!—1979 Caring for Yourself Physically The Watchtower Announcing Jehovah’s Kingdom—1972 Your Liver Speaks Up Awake!—1970