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What is the role of calcium in muscle contraction?

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Action potential that travels down the motor neuron and reaches neuron terminal causes release of Calcium form sarcoplasmic reticulum. read more

No doubt, calcium is a key component of strong bones but its presence in your muscles enables movement. Contraction and relaxation of your muscles occur because of rapidly changing concentrations of calcium inside your muscle cells, a biochemical process referred to as the calcium cycle. read more

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Chapter 35 Structural Support and Movement - ppt download
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