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Often called the "fight-or-flight" system, it prepares the body for stressful or emergency situations by increasing heart rate and dilating airways.

In technology, specifically regarding the Arc XP platform , it refers to a JSON-based content model used for digital publishing. Often called the "fight-or-flight" system, it prepares the

Known as the "rest-and-digest" system, it helps the body conserve energy and perform routine functions like digestion and waste elimination. Often called the "fight-or-flight" system