Book

 1 1|         altered and constituted useful blood; but, not withstanding,
 2 1|      that they may notspoil the useful substances, and they also
 3 1|          but actually turns the useful blood into bile, and dissolvesthe
 4 2|        matters is not the least useful. Then, in Heaven's name,
 5 2|         in Heaven's name, is it useful to know how food is digested
 6 2| Assuredly it would be much more useful to investigate what kinds
 7 2|     regard to the generation of useful blood. For it is not equally
 8 2|       it fail to be turned into useful blood. Why is Erasistratus
 9 2|       body? Will it not also be useful to know what state of the
10 2|   external heat, which would be useful for insufficiently warm
11 3|       organ the capabilities of useful activities, but has also
12 3|    something is done - in fact, useful work effected - by the eliminative
13 3|        it attracts all the most useful parts of the food in a vaporous
14 3|        and stored away the most useful part of it in its own coats,
15 3|         it, and devours all the useful fluid in it, until it is
16 3|      this by presenting all the useful part of it to its own coats,
17 3|        up converts it into more useful matter. There is nothing