Examlex
When someone says "I need to use my gray matter," they are referring to the _____.
Tropomyosin
A protein that, along with troponin, regulates the contraction of muscles by covering or uncovering the binding sites on actin filaments.
Calcium
A chemical element and essential mineral for living organisms, crucial for bone health, muscle function, and nerve signaling.
Glycogen Stores
Accumulations of glycogen within the liver and muscles, serving as a form of energy storage for the body.
Sarcoplasmic Reticulum
A network of membrane-enclosed tubules in muscle cells that stores and releases calcium ions, critical for muscle contraction.
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