Physical well-being is the state of health and optimal functioning of the body, encompassing aspects like fitness, nutrition, and disease prevention. It is crucial for overall quality of life and is influenced by lifestyle choices, environmental factors, and healthcare access.
Exercise physiology is the study of how the body's structures and functions are altered when exposed to acute and chronic bouts of physical activity. It examines the body's responses at the molecular, cellular, and systemic levels, aiming to optimize performance, improve health, and prevent or treat diseases.