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The Smooth ER acts as the cell's main storage center for calcium ions. When the cell needs calcium for things like muscle contraction, the Smooth ER instantly releases it. This immediate action is critical for movement and response.

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The Smooth ER: Structure, Safety, and Strength

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The Smooth ER: Structure, Safety, and Strength

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The Smooth ER is a lipid synthesis factory. All other membranes need lipids to exist. The cell membrane uses the phospholipids the Smooth ER's lipids to form its structure. Additionally, the Smooth ER forms steroid hormones, like testosterone and estrogen, that carry messages out through the whole cell.

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The Smooth ER is constantly breaking down toxins. It has specialized enzymes that break down the toxins to make them water soluable. These ezymes are especially abundant in liver cells because the liver protects the body and gets out toxins