Evaluate

question 201

Essay

Evaluate .

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Definitions:

Sarcoplasmic Reticulum

A network of tubules and sacs in muscle cells that store and regulate calcium ions, crucial for muscle contraction.

Depolarization

A reduction in the difference in voltage across a cell's plasma membrane, which is fundamental in the propagation of nerve impulses.

Calcium

An essential mineral in the body, critical for bone health, muscle function, and nerve signaling.

Sodium

A chemical element with symbol Na and atomic number 11, an essential ion for blood pressure regulation, fluid balance, and nerve function.