"Particulate Respirators"

An Inexpensive Demonstration of Respiration.

A great introductory model.

Hand-painted heart and lung model.

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

Life size replica of a human right lung.

Enlarged sagittal section of the head that's perfect for the exploration of breathing, swallowing, and general head anatomy.

Representation of lobule with arterial and venous circulation and bronchial branches. One acinus open to show the alveolar duct.