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Fully three-dimensional and mounted on a hardwood base, this life-size unbreakable plastic model includes lungs, trachea, heart, esophagus, and complete larynx with vocal cords, all in their natural position. The right half of the larynx can be removed, as well as the heart and half of the left lung, which exposes the bifurcation off the trachea and bronchial tree, the pulmonary arteries and veins. The heart itself splits in halves to show its four chambers and valves, thus providing understanding of the directional blood flow there. Pulmonary circulation can also be easily traced, and with major vessels of the systemic circulation depicted, blood flow through the entire body can be demonstrated. 58 numbered structures are identified in the corresponding key.

Overall dimensions: 17x11x6 inches (43x28x15cm). Autographed Anatomy Models: The only models in the world which are personally autographed and dated by their handcrafter! ? 100% American-made, every step in the production of every Autographed Anatomy model - molding, hand sanding, hand painting, number

And every Autographed Anatomy model carries our Lifetime Guarantee of Satisfaction - We will repair or replace any component of any Autographed Anatomy model which proves defective due to our workmanship, for as long as you own the model - no charge, of course.

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The Heart as a Pump ? Hands-on Cardiac Function Simulator Designed for hands on collaborative learning by teams of 3-4 students, this working model simulates all of the key functions of the human heart. Through a series of open-ended investigations.

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Twice the size of a human adult heart to show detail and facilitate study ? Three hinged portals allow full access to heart chambers and valves ? Attached portions of trachea and esophagus demonstrate their relationship to major vessels ? Unbreakable vinyl model fully rotates on wooden pedestal, or lifts off for pass-around viewing ? 100% American Made - authentic hand-painted detail is proudly signed and dated by its crafter - Autographed Anatomy exclusive to Denoyer-Geppert

Derived from the same mold as our Original Heart of America (A40), this more simplified reproduction is perfect for introductory study. A 7-page study guide explains the physiological function of each the 39 features number-coded on the model. Overall dimensions on base: 7x7x15 inches (18x18x38 cm)

Autographed Anatomy Models: The only models in the world which are personally autographed and dated by their handcrafter! ? 100% American-made, every step in the production of every Autographed Anatomy model - molding, hand sanding, hand painting, number

And every Autographed Anatomy model carries our Lifetime Guarantee of Satisfaction - We will repair or replace any component of any Autographed Anatomy model which proves defective due to our workmanship, for as long as you own the model - no charge, of course.

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This vividly colored two-piece, life-size model divides in half to show inner chambers and valves. Mounted on plastic base. Removable patient education card and base included. Size: 3-1/2" x 4" x 6".

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This model contains 3 hearts. First shows normal heart anatomy. Also has Myocardial Infarction heart demonstrating a partially healed, thinned, and discolored 5 infarcted areas. Includes a thrombus in the apex of the heart. Also contains a heart demonstrating Congestive Heart Failure as a result of hypertension. The left ventricle hypertrophy and the correspondingly enlarged and distorted shape of the heart is shown both internally and externally. All models are approximately 50% actual size. Normal and MI hearts: 4”x 2-1/4”x 1-3/4”. CHF: 4”x 2-1/2”x 2-1/4”.

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This one-piece, over-sized artery "Y" section with cutaway portions shows build-up of cholesterol deposits in several locations. Removable patient education card and base included. Size: 4" x 6-1/2" x 1-1/2".

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This model includes a 4-stage cross-section of an artery demonstrating atherosclerosis in which the narrowing of the artery is due to a build up of fatty tissue (cholesterol) and plaque. The 4-stages illustrate normal artery, fatty streak, fibrous plaque, and blockage. The stages cause a decrease in blood flow, which can lead to a blood clot or thrombus. All stages rotate on hinge pin. Size: (4) 1-3/8”dia. x 7/8”x 3-1/2”