This device uses a bell jar to represent the thoracic cavity, a rubber dam as the diaphragm, a Y-shaped tube as the trachea and bronchial tubes, and two balloons as lungs. Manipulation of the diaphragm causes the balloons to inflate and deflate. Lig..

A complete kit for your smoking and alcohol prevention curriculum. This kit contains Nasco’s real preserved inflatable healthy and smoker’s lungs, Giant Mr. Grossmouth teeth, teeth in tobacco juice display, Clever-Catch Tobacco, and Fata..

Study the effects of various chemicals on the human body through the use of the model organism Daphnia. Students will learn the effects of various stimulants or depressants on the organisms’ heart rate. Students will also predict and classify chem..

Designed to look like a cigarette on one side and an artery on the other, this colorful display graphically explains the damage smoking causes in a smoker’s bloodstream. The artery in the model shows how smoking causes carbon monoxide to “ch..

She may look cute, but Smokey Sue delivers a deadly serious message about cigarette smoking. As she smokes, demonstration tubes trap tar in a way few have ever seen. Includes insert that shows tar in tubes. The doll comes with a Plexiglas® stand, f..