Human Frame* 



part, which we call chyle, to be conveyed 

 into the blood by the system of the absor- 

 bent vessels ; and the feces pass down- 

 ward out of the body. Thus we see that, 

 by the very imperfect survey which hu- 

 man reason is able to take of this subjects 

 the animal man, must necessarily be com- 

 plex in his corporeal system, and in its 

 operations; and in taking this general 

 view of what would appear, a priori, to 

 be necessary for adapting an animal to 

 the situations of life, we observe, with 

 great satisfaction, that man is according- 

 ly made of such systems, and for such 

 purposes. He has them all : and he has 

 nothing more, except the organs of respi- 

 ration. Breathing it seemed difficult to 

 account for a priori ; we only know it to 

 be a fact essentially necessary to life. > 

 Notwithstanding this, when we see all 

 the other parts of the body, and their 

 functions so veil accounted for, and so 

 wisely adapted to their several purposes, 

 there would be no doubt that respiration 

 was so likewise ; and, accordingly, the 

 discoveries of Doctor Priestley have late- 

 ly thrown light upon this function also^ 

 " Of all the different systems in the 



