LUNG FUNCTION MODEL

Classic bell jar model demonstrates the role of diaphragmatic contraction in causing the lungs to inflate. Includes

• Shatter-resistant plastic bell jar 7 x 6 inch. The bottom is

closed with a rubber diaphragm fitted with plug

• Top fitted with plastic cover and a Y connector

• Rubber lungs fitted to the Inner side of the Y connector

Pulling the diaphragm plug outwards sucks in air through the Y Connector and inflates the rubber lungs which are fitted on the Y connector