His muscles are getting stronger and have to break down to do so and that process hurts.
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The word demography comes from two ancient Greek words, demos, meaning “the people,” and graphy, meaning “writing about or recording something” — so literally demography means “writing about the people.”
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Explanation:
The eye belongs to an organ system called the sensory system. This system includes all the sensory organs of the body, including the ears, eyes,...
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The energy you channel to get into a mindset will affect the way you assess the particular task you delegate for yourself, fitness-related ones especially. The more positive you are, the more energy and adrenaline you'll have, whereas if you're grudgingly getting into fitness, there's more of a possibility of putting it aside and eventually just not doing it.
They help control body temperature
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