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Contact SupplierWe are offering human respiratory system.
showing l.s. Of head & brain , nasal cavity, larynx attached with lungs and heart depicting lobes of lung, auricles and ventricles of heart with aortic arch and descending aorta, superior venacava, right & left innominate vein, inferior venacava and spleen is clearly shown. A separate model of alveoli showing magnified view of capillary network & alveolar sac. All parts are clearly numbered with english key card.