. They are not dead : Restoration by the "heat method," of those drowned, or otherwise suffocated. of its oxygen. It is logical, therefore, to infer that when oxygen is nolonger received from the air, the action of the gangliatoryTissue will soon stop, since the want of oxygen in the blood\rill lower the temperature of this Tissue upon which itsaction is dependent. Drowning, then, or suffocation otherwise, by shutting offthe supply of air and its oxygen, lowers the temperature ofthe Nervous Centres, as also does the cold water applied tothe skin, and stops their action, preventing the poisonin
. They are not dead : Restoration by the "heat method," of those drowned, or otherwise suffocated. of its oxygen. It is logical, therefore, to infer that when oxygen is nolonger received from the air, the action of the gangliatoryTissue will soon stop, since the want of oxygen in the blood\rill lower the temperature of this Tissue upon which itsaction is dependent. Drowning, then, or suffocation otherwise, by shutting offthe supply of air and its oxygen, lowers the temperature ofthe Nervous Centres, as also does the cold water applied tothe skin, and stops their action, preventing the poisoningof the blood and quieting the motion of all parts of theBody, thus preventing further loss of heat. Does not this prove abundantly that immediate death bythe frequent and necessary contingency of drowning, and bysuffocation otherwise, has been provided against by Nature ? UNDEB THE MICKOSCOPE. This Tissue, to the naked eye a mere pulp, is seen to bebeautifully organized, and that, as in case of the other twoactive Tissues, its efficient means of action are Cells. (SeeFig. 23). Fig. 23. Jl Jb. Fig. 23 represents nervous tissne: 1, two large cells continnons with nervefilaments ; 3, undeveloped cells with nuclei ; 2 and 4, a chain of cells connected byfilament; B, nerve-cells much enlarged, showing nucleus, its spot, the granules,and one extending point or pole in case of the largest cell ; a a, filaments of whitenervous tissue. 96 The granular substance surrounding the cells is a char-acteristic worthy of notice, distinguishing this from the otherActive Tissues. If a portion of this be removed it is not re-placed by Nervous but by Sinewy Tissue, which cannot ofcourse performthe duties of the grey Nervous Tissue. The writer in boyhood knew a boy who was struck bythe foot of a hoTse, consequently he lost half a tea-cupfulof brain from his left forehead. The cavity was refilledby one form of Sinewy Tissue. Yet, as boy or man, (hein still living,) the person never experienced any i
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectdrownin, bookyear1879
