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..

A professional stethoscope that monitors heart and respiratory sounds, and detects fetal sounds. Medium chest piece 1³⁄₄" diameter. Chrome-plated. Flat chest piece has single stem. Hard rubber ear tips.

This lab activity arouses a personal interest as students experiment to identify response areas of their body, and become aware of their sensory perception. Students “map” the taste sensation of sweet, salty, bitter, and sour; determine thei..

This model illustrates cell division from single cell to formation of two new cells. Identifies nucleus, centrioles, centrosome, chromatin, chromosomes, spindle, and aster. The 18" x 24", three-dimensional model is of lightweight, sturdy con..

Depicts the process whereby the number of chromosomes in the reproductive cells is reduced to half the amount found in other body cells. Students can trace the steps in this change; identify chromosomes, cytoplasm, chromatin and polar bodies; and see ho..

Students can explore animal cell structures with this 8" diameter cell model. Grades 5-12.

Measure lung capacity with this durable, silk-screened plastic bag, calibrated to six liters, with accompanying mouthpiece and holder. Shows the relationship of body size to lung volume. Contains four lung bags, four mouth pieces, four mouth piece h..

A device that measures the amount of time individuals take to respond to light, sound, or touch stimuli. Reaction time relates to general health and is important in sports and everyday life. Records in hundredths of a second. Battery operated. Includes ..

An 8" long percussion hammer with a molded rubber head permanently joined to the chrome-plated handle.