The hair is the ornament of the
head, and the brain is purged of gross humours by the growing of the
hair, from the highest to the lowest, which pass through the pores of
the exterior flesh, become dry, and are converted into hair. This
appears to be the case, from the circumstance that in all man's body
there is nothing drier than the hair, for it is drier than the bones;
and it is well known that some beasts are nourished with bones, as dogs,
but they cannot digest feathers or hair, but void them undigested, being
too hot for nourishment. 2. It is answered, that the brain is purged in
three different ways; of superfluous watery humours by the eyes, of
choler by the nose, and of phlegm by the hair, which is the opinion of
the best physicians.
Q. Why have men longer hair on their heads than any other living
creature? A. Arist. de Generat. Anim. says, that men have the moistest
brain of all living creatures from which the seed proceedeth which is
converted into the long hair of the head. 2. The humours of men are fat,
and do not become dry easily; and therefore the hair groweth long on
them. In beasts, the humours easily dry, and therefore the hair groweth
not so long.
Q. Why doth the hair take deeper root in man's skin than in that of any
other living creatures? A.
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