Book,  Paragraph

 1   I,  17|          17~The heart has three cavities, and is situated above the
 2   I,  17|    close in texture, and in the cavities of the heart are sinews.
 3   I,  17|        the bottom. It has three cavities, as has been said: the right-hand
 4   I,  17| intermediate in size. All these cavities, even the two small ones,
 5   I,  17|       quite plain in one of the cavities. And below, at the point
 6   I,  17|        for in each of its three cavities it has blood, but the thinnest
 7 III,  3 |        heart in all animals has cavities inside it. In the case of
 8  IV,  6 |         Inside it has a pair of cavities, one on either side, a small
 9  IV,  6 |      them; and one of these two cavities contains the liquid. The
10   v,  16|        place.)~In the chambered cavities of sponges pinna-guards