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Physical fitness - Wikipedia
Fitness: Definition, factors, and types - Medical News Today
Fitness: What It Is, Health Benefits, and Getting Started
Physical Fitness and Its Components - Physiopedia
Exercise: 7 benefits of regular physical activity - Mayo Clinic
Benefits of Physical Activity | Physical Activity Basics | CDC
How fit are you? See how you measure up - Mayo Clinic
What Are the 5 Health-Related Components of Physical Fitness?
Why Is Physical Activity So Important for Health and Well-Being?
Exercise: The Top 10 Benefits of Regular Physical Activity - Healthline