"Particulate Respirators"

An Inexpensive Demonstration of Respiration.

A great introductory model.

Hand-painted heart and lung model.

This system shows interdependence of circulatory and respiratory systems.

Movable Parts Show Action Of Vocal Cords

Emergency Response Training

This detailed heart depicts the structures of the diaphragm, the lungs, heart and larynx.

Demonstrate how the diaphragm causes the lungs to inflate.

Easy To Use Physiological Recording.

The life-size model depicts the pathway that air follows during breathing.