Similar to the 7-1203-12 but with one balloon for easier viewing, the plastic lung apparatus demonstrates how the lungs work. As the "lung" fills with air, through relaxation and contraction of the diaphragm muscle, students visualize how our lungs work. A sturdy rubber sheet replicates the diaphragm. As the rubber sheet is pulled downward, the pressure within the chamber causes the "lung" to expand and take in air. When released, the "lung" will deflate. Lesson plan is included; 8-1/4" x 8-1/4" x 8-1/4"; 1.3 lb.
|Country Of Origin||United States of America|
Plastic Lung Apparatus
- Product Code: 7-1203-1