SYSTEMATIC ANALYSIS OF APPARATUS. 

 FlG. 97. 



109 



Fig. 97 repre- 

 sents the spinal 

 column, the back 

 parts of the ribs, 

 the oesophagus, 

 and the aorta dis- 

 sected away, ex- 

 posing 1, 2, 8, 9, 

 the Lungs, as they 

 would appear in 

 life and full of air, 

 filling their boxes, 

 formed by 4, 7, 11, 

 14. 6, 12, the Di 

 aphragm ; 20, the 

 Heart; 19, Divis- 

 ion of Windpipe; 

 17, opening into 

 it; 18, Tongue. 

 6, 13, arches of the 

 Diaphragm. 



Fig. 98 rep- 

 resents breast 

 bone and fropt 

 part of ribs, 

 dissectedaway 

 showing the 

 Lungs, 1, 2, 3, 

 8, 9, 10, filled \. 

 with air, as in .' 

 life. 15, posi- ( ! 

 tion of lower, 

 point of Heart, 

 7, 7, lining of 

 Chest, corres- 

 ponding to 7, 

 7, Fig. '97 ; 1, 

 2, 3, the three 

 lobes of one 

 side; 8,9, the 

 two lobes of 

 the other. 



Describe Fisrs. 97 and 98. How near to the neck do the lungs appear to be? 

 Does the windpipe enter top or side of lungs ? What keeps them up? 



