None of the other answers. O Contract more quickly O Contain less myoglobin ESTION 4 muscle, when calcium is moving from the sarcoplasm to the sarcoplasmic reticulum, it is moving: D along its gradient using ion channels D against its gradient using pumps against its gradient using ion channels O along its gradient using pumps JESTION 5 n the heart, blood flows from: O artery to ventricle to atrium to vein O artery to atrium to ventricle to vein O vein to ventricle to atrium to artery vein to atrium to ventricle to artery

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Q: Actin in action, muscle satisfaction. The movement of biceps require sarcomere Select one: a.…

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Q: The total strength of muscle contraction .4 :depends on

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