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Major Bodily Functions

Meaning

Major Bodily Functions are the essential, non-negotiable physiological processes that sustain life and rigorously maintain homeostasis within the complex human organism. These core systems include cardiovascular regulation, efficient respiratory gas exchange, precise thermoregulation, metabolic energy production, immune surveillance, and critical neuroendocrine signaling. The optimal, coordinated functioning of these systems is the objective definition of health and resilience, and their measurable decline is the foundational basis of age-related pathology and chronic disease. Hormonal health is intricately and fundamentally linked, as the endocrine system acts as the master regulator of nearly all these major bodily functions.