180 THE HOUSE I LIVE IN, 



Thus you see that the trap door at the top 

 of the throat, opens into a large passage which 

 divides and subdivides almost without end; and 

 leads into as many little rooms or cells as 

 there are of its numerous subdivisions; and that 

 this whole mass, the lungs, fills up one very 

 large room which has no door or opening. 



THE FOOD PIPE. The back part of the 

 mouth, where the food pipe or passage to 

 the stomach commences, is funnel-shaped ; but 

 the passage or food pipe itself is pretty regu- 

 lar in its shape. It proceeds along down near 

 the back bone till it has fairly passed the 

 apartment of the chest, and enters the borders 

 of the great apartment below it, occupying the 

 second or lower story of the building. When 

 it reaches the confines of this apartment, the 

 passage enlarges into a spacious saloon. This 

 is the stomach. 



THE STOMACH. The human stomach some- 

 what resembles, in shape, the bag of the Scot- 

 tish instrument of music called the bag-pipe. 

 It lies directly across the body just under the 

 edge of the ribs, and in such close contact with 



