This Torso Systems Model features functioning systems intended to help children learn about body processes. In conjunction with the Lesson Guide, this highly interactive model allows students to conduct activities on the functions of each system. Nervous System: Registers sensory responses. Digestive System: Effectively ilustrates the passage of food through the body. Circulatory System: Latex heart can be pumped, forcing fluid through transparent tubes representing blood vessels. Urinary System: Functioning of kidneys, bladder and uretha are demonstrated. Respiratory System: Demonstrates inhalation and exhalation. Discovery Pack includes: Torso model, 4 audio cassette tapes, reproducible workbook and Lesson Guide. Shipped directly from the manufacturer. Not available with rush shipping. Delivery time estimated at 10-14 days or less. Gift wrap not available. Information on how to place your order by fax or by telephone. Grades 3-9. Product Number: AM8681 (Torso Systems Model: Functioning Systems), AM2009 (Basic Torso Discovery Pack w/tapes), AM2006 (Basic Torso Model only), AM2010 (Basic Torso Workbooks, set of 10)