English example sentences with "exertion"

The tremendous exertions which I have gone through during the last day or two have worn me out. Not so much bodily exertion, you understand, as the strain upon the mind. You will appreciate that, Mr. Sherlock Holmes, for we are both brain-workers.
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After much exertion, he was exhausted.
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Researchers at the University of California San Diego have designed what they’re calling a biobattery in the form of a temporary tattoo. The battery works by “detecting and responding to lactate,” which is found in sweat. When your body needs more energy because of physical exertion, a process called glycolysis occurs. Glycolysis basically turns sugars into usable energy for the body. A byproduct of this process is lactate.
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