American Educational Lung Demonstration Kit and jewelr

and jewelr

Features ● Display 4000 counts

effectively avoid electromagnetic interference by using photoelectricity-isolation

Auto Scanning

and UL listed

American Educational Lung Demonstration Kit and jewelrLung 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