What must pass through the body for Electrical Shock to occur?

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Electrical shock occurs when current travels through the body. Voltage provides the push that could drive current, but it’s the actual current flowing through tissues that causes the shock and its effects. If no current passes through the body, there’s no shock, regardless of voltage. The amount of current, how long it lasts, and the path it takes through the body determine the severity. Ground is simply a reference point in a circuit and isn’t what must pass through the body. Resistance affects how much current flows for a given voltage, but it’s the current that matters for a shock.