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Biology, 17.03.2020 03:04 Serenitybella

Imagine planting your feet and trying to push through a concrete wall that’s far too heavy to move. As you push, would you describe the associated muscles in your back, arms, and legs as contracting, shortening, lengthening, or a combination of these words? Explain.

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Imagine planting your feet and trying to push through a concrete wall that’s far too heavy to move....
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