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Updated: June 2, 2025
But I have my self flown to the top of this Mountain, and carry'd with me a wet Spunge, thro' which I drew my Breath for some time, but by Degrees I became habituated to this Tenuity, and respired with Ease; nay, after staying there some few Days, I found the denser Air, on my Descent, caus'd a Difficulty in my Respiration: From whence I concluded, that, by Degrees, the thinnest Air may become Natural; and as I felt no Hunger while on the Mountain, I may suppose the same Air we breathe may also nourish us.
Were forty-five persons whose lungs possess the estimated capacity placed in an air-tight room of the preceding dimensions, and could they breathe pure air till it was all once respired, and then enter upon its second respiration, they would all die with the apoplexy before the expiration of a three hours' session. From the nature of the case, these conditions can not conveniently be fulfilled.
The number of respirations is fewer in a state of rest than during labour or exercise: the quantity of food necessary in both cases must be in the same ratio. But the quantity of oxygen received by an animal through the lungs not only depends upon the number of respirations, but also upon the temperature of the respired air.
Similar means of ventilating the shampooing and washing rooms as the hot rooms must be provided. The vitiated air must be extracted at the floor level, as the temperature here must be maintained considerably above that of respired air. Movable wooden-framed marble-topped benches may be substituted for those of a permanent type; but the plan has nothing to recommend it except lowness of cost.
Doctor Beckerleg was coming up the street, his hat pushed back and his neckcloth loosened as he respired the morning air. The footsteps paused underneath, by the inn door; but the little Captain leant back in the window-seat without making a sign. He had seen the Doctor's face.
As it was, each had sufficient presence of mind to distinguish, as it now doubled the corner of the hut, and reposed upon the road, the stout square-set figure of the Canadian. The daggers were instantly restored to their sheaths, and each, for the first time since the departure of their companion, respired freely. "It is quite well," whispered the latter as he approached.
So much and so long had Mr. Dodge respired a moral atmosphere of this community-character, and gregarious propensity, that he had, in many things, lost all sense of his individuality; as much so, in fact, as if he breathed with a pair of county lungs, ate with a common mouth, drank from the town-pump, and slept in the open air.
His forehead was narrow, his face wide, his head large, and his nose all on one side, as if Nature, indignant with the propensities she observed in him in his birth, had given it an angry tweak which it had never recovered. Being short-necked and asthmatic, however, he respired principally through this feature; so, perhaps, what it wanted in ornament, it made up in usefulness.
Yocomb a little more comfortable," and she went to the parlor and brought out another pillow, and then threw open the hall-door in order that her patient might have more air, for he respired slowly and laboriously. Her words seemed to quiet him, and he gave himself into her hands. I looked at her wonderingly for a moment, then said, in a low tone: "You are indeed a woman and a brave one.
The oxygen taken into the system is given out again in the same form, both in summer and winter: we expire more carbon at a low than at a high temperature, and require more or less carbon in our food in the same proportion; and, consequently, more is respired in Sweden than in Sicily, and in our own country and eighth more in winter than in summer.
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