Heart and lungs,historical illustration. 19th Century hand coloured lithographic print showing the lungs (left and right) situated either side of the heart (lower centre),aorta (red tube centre),pulmonary artery (blue,centre right) and vena cava (blue,centre left). Inside the lungs are the bronchioles (white tubes). The trachea (wind pipe,white) can be seen running down from the larynx (voicebox,top centre) in the neck. Image from 'Traite complet de l'anatomie de l'homme,comprenant la medecine operatoire' Vol. 4 (1836),by Jean-Baptiste Marc Bourgery and illustrated by Nicolas-Henri Jacob |