EXERCISE. 207 



repletion and evacuation ; which may (avoid- 

 ing technical description, and professional 

 minutiae) be concisely explained and clearly 

 understood, as matter necessarily introduc- 

 tory to what we proceed to inculcate, upon 

 the palpable consistency of constant and mo- 

 derate exercise for the establishment of health 

 and promotion of condition. 



I believe it has been before said, in either 

 this or the former volume, that the ali- 

 ment, after sufficient mastication in the act 

 of chewing, is passed to the stomach, where 

 it undergoes a regular fermentation (in ge- 

 neral, termed digestion) producing a certain 

 ejuantum of ch^le, in proportion to the iiutri' 

 five propertij, of the alin;ent so retained ; this 

 chyle, in its process of nature, (which has^ 

 been before accurately explained) becomes 

 wonderfully subservient to all the purposes 

 of life and support in its general contribution 

 to the source of circulation, and the various 

 secretions ; while the grosser parts (from 

 which the nutritious property is extracted in 

 their progress through the stomach and in- 

 testinal canal) are thj^own off from the body 

 by excrementitious evacuations, . 



