PHYSIOLOGY
MUSCLE STRUCTURE FUNCTION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which organelle releases the calcium that causes the actin to change shape
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Sarcoplasmic Reticulum
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Endoplasmic Reticulum
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Mitochondria
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Nucleus
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Explanation:
Detailed explanation-1: -In heart muscle cells, most of the calcium is stored inside a chamber named the sarcoplasmic reticulum. The calcium in the sarcoplasmic reticulum is released during heart muscle contraction and transported back inside the sarcoplasmic reticulum during relaxation.
Detailed explanation-2: -Sarcoplasmic reticulum-a modified smooth endoplasmic reticulum found in skeletal muscle cells.
There is 1 question to complete.