Principle of Reversibility<span> is the decline of skill and fitness level due to taking a break from exercise or being inactive.</span>
<span>It is called such because all the result of hardwork and labor done to achieve and maintain one's skill and fitness level will be reversed because said fitness regime is not maintained; making the body lax, eventually declining in skill performance and fitness level.</span>
They are created from the split cells
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3. I learned that vaping is terrible for your lungs and it will cause lung failure your lungs will collapse