Product description
Lung demonstration kit
The kit includes a transparent plastic container, y-tube "trachea", balloon "lungs".
Allow students to build a demonstration model of a human lung and learn the basic concepts of respiratory physiology
During the demonstration, the pull of the hand under the diaphragm can be pulled
When the pulmonary gas is demonstrated, the interaction between the lung and the diaphragm is the downward movement of the diaphragm and the lung becomes larger
When demonstrating an exhalation, the lung and the diaphragm move up and the lungs become smaller
Model size :21*11cm/8.2*4.3inch
Materisl: PVC plastic+rubber