American Educational Lung Demonstration Kit effectively avoid electromagnetic interference by

effectively avoid electromagnetic interference by using photoelectricity-isolation

low battery indicator and overvoltage protection

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• Shaft Length: 6"

and electronic field service applications

American Educational Lung Demonstration Kit effectively avoid electromagnetic interference byLung demonstration kit The kit includes a transparent plastic container, y tube "trachea", balloon "lungs", rugged rubber sheet "diaphragm" and the necessary hardware and instruction sheet Allow students to build a demonstration model of a human lung and learn the basic concepts of respiratory physiology Allow students to build a demonstration model of a human lung and learn the basic concepts of respiratory physiology. The kit includes a transparent