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Body

what is muscle
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What Is Muscle?

What Is Muscle? Muscle is the body tissue which, because it has the power of contraction, enables the higher animals to move their bodies. M

what makes people faint
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What Makes People Faint?

What Makes People Faint? The most urgent need of the body-more important even than food or drink-is oxygen, which is found in the air we bre

what does an x-ray show
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What Does an X-ray Show?

What Does an X-ray Show? X-rays are electromagnetic rays of very short wavelength which can penetrate matter through which light rays cannot