Object Lessons on the Human Body - A Transcript of Lessons Given in the Primary Department of School No. 49, New York City by Sarah F. Buckelew;Margaret W. Lewis
page 49 of 131 (37%)
page 49 of 131 (37%)
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pores."
Why do you say it is elastic?--"Because it will spring back after it is stretched, squeezed, twisted, or bent." Why do you say it is absorbent?--"Because it will soak up liquids." How many skins have you?--"Two; an outside skin, and an inner skin." Which is the true skin?--"The inner skin." Of what is the inner skin composed?--"Of blood-vessels and nerves." How do you know that the outer skin has no blood-vessels?--"Because if I put a pin through the outer skin the blood does not flow out, as it would if I had cut a blood-vessel." How do you know the outer skin has no nerves?--"Because if I put a pin through my outer skin it does not make me suffer pain, as it would if I had touched a nerve." What gives color to the skin?--"A jelly-like substance between the inner and the outer skin." What have you learned about the true skin?--"That it is of the same color in people of every nation." What difference is there in the thickness of the outer skin? [See Formula.] What passes through the pores of the skin? [See Formula.] |
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