Lung apparatus for study of relaxation and contraction of human lungs Half-gallon plastic bell jar with open top with rubber sheet for representing chest cavity and diaphragm Available with one or two balloons attached to Y-tube for simulating lungs Lesson plan for instructional use Measures 8-1/4 x 8-1/4 x 8-1/4 inches (L x W x H) The American Educational lung apparatus is for studying relaxation and contraction of human lungs. The apparatus has a half gallon, plastic bell jar with an open top and a rubber sheet for representing the chest cavity and diaphragm, and is available with one or two balloons attached to a Y connector for simulating the lungs. Lung movement is demonstrated by pulling the diaphragm downward to lower atmospheric pressure inside the chamber, which causes the balloons to expand; the balloons deflate when the diaphragm is released. The apparatus includes a lesson plan for instructional use. The product measures 8-1/4 x 8-1/4 x 8-1/4 inches (L x W x H) and weighs 1.3 lb. (L is length, the horizontal distance from left to right; W is width, the horizontal distance from front to back; H is height, the vertical distance from the lowest to highest point.) Science education products incorporate applied math and science principles into classroom and homeschool-based projects. Teachers in pre-K, elementary, and secondary classrooms use science education kits and products alongside science, technology, engineering, and math (STEM) curriculum to demonstrate STEM concepts and real-world applications through hands-on activities. Science education projects include a broad range of activities, such as practical experiments in engineering, aeronautics, robotics, energy, chemistry, physics, biology, and geology. American Educational Products, LLC, manufactures and supplies classroom materials and teaching tools for science and math education, as well as early childhood and active play products. The company, founded in 1986, is based in Fort Collins, CO. Product Dimensions (L x W x H): 269 x 257 x 264 MMProduct Weight: 1 LB
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