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Biology, 26.11.2020 01:00 aubreyfoster
How does the muscular system help humans maintain posture?
1.Muscles continually align themselves vertically to help maintain posture.
2.Muscles continually push bones to be straight.
3.Muscles constantly contract to help fight gravity.
4.Muscles constantly contract to help work with gravity.
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How does the muscular system help humans maintain posture?
1.Muscles continually align themselves v...
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