Enlarged 2 times, this cross section of human head to show mouth and nasal passages. Relationship between the windpipe and esophagus can be easily shown. Includes key card
Heart and lungs 7 part on plaque numbered with english keycard, Showing larynx 2-parts removable, wind pipe with bronchial tree, heart 2-parts, removable, subclavian artery and vein, venacava, aorta, pulmonary artery, oesophagus, 2 lungs front halves removable and diaphragm. On base.
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