<span>Which mineral is responsible for making mussels contract or relax?
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</span><span>Sodium and potassium play an essential role in muscle contraction Calcium and magnesium work together to control muscle contraction. Calcium is responsible for the contraction of the muscles (systole) and the magnesium for their relaxation (diastole).</span>
B I would say because steriods pust something in your systems that makes you energetic and gives you chemicals to make you stronger so I would say Low energy
