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Hygienic Physiology

With Special Reference to the Use of Alcoholic Drinks and Narcotics Being a Revised Edition of the Fourteen Weeks in Human Physiology

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Language: English
Wordcount: 124,316 / 373 pg
Flesch-Kincaid Reading Ease: 79.9
LoC Category: AG
Downloads: 878
mnybks.net#: 6594
Genre: Reference
Excerpt

bones older than man himself.] (cartilage) which can be bent like rubber.

If the bone be burned in the fire, thus consuming the animal matter, the shape will still be the same, but it will have lost its tenacity, and the beautiful, pure-white residue [Footnote: From bones thus calcined, the phosphorus of the chemist is made. See Steele's "Popular Chemistry," page 114. If the animal matter be not consumed, but only charred, the bone will be black and brittle. In this way, the "boneblack" of commerce is manufactured.] may be crumbled into powder with the fingers.

FIG. 2.

[Illustration: _The Thigh Bone, or Femur, sawed lengthwise._]

We thus see that a bone receives hardness and rigidity from its mineral, and tenacity and elasticity from its animal matter.

The entire bone is at first composed of cartilage, which gradually ossifies or turns to bone. [Footnote: The ossification of the bones on the sides and upper part of the skull, for example, begins by a rounded

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Lorhainne Eckhart
A recipient of the 2013, 2015 and 2016 Readers’ Favorite Award for Suspense and Romance, Lorhainne lives on the sunny west-coast Gulf Island of Salt Spring Island, is the mother of three, her oldest has autism and she is an advocate for never giving up on your dreams. She is frequently a Top 100 bestselling author in multiple genres, and we expect that her The Outsider Series: The Complete Omnibus will also follow suit. As our Author of the Day, Eckhart talks about the Friessen men from her books, reveals which book in the omnibus was her personal favorite and talks about how important it is to schedule time to write.
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