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1 1|             contract the lower parts dilate?"Again, then, we say, "And
2 1|            lower parts of the gullet dilate the upper parts contract?"
3 3|              contract the lower ones dilate. And everyone knows that
4 3| extraordinary if the channel did not dilate when a mass was passing
5 3|              for, since all of these dilate and contract alternately,
6 3|              by virtue of which they dilate and contract. ~ Put together,
7 3|              the outer air when they dilate, while those which anastomose
8 3|             their cavities when they dilate, that part which is most