Fitness is a state of the human body that permits it to perform up to its full potential. It is the power to do regular jobs without any strain, while being alert and energetic enough to endure any stressful activities.
It is largely a condition whereby, all the key components of the body, heart, lungs, kidneys, liver, bones and muscles are in correct operating condition. There are four aspects connected to physical fitness: cardiorespiratory endurance, muscular strength, and muscular
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