As an example, if you bite your tongue, as it heals, your own body generates tongue tissue. But if you cut it apart, your body os not able to create a new tongue.
Sorry for my english, i’m not native
In: Biology
Some organs like skin, digestive tract lining, and the blood have very active stem cells that are constantly dividing and replacing lost cells and tissue. Other cells in your body are more differentiated and “specialized”. They do not have the ability to begin dividing for the purposes of regeneration (replacing lost cells). Specialized cells age and breakdown over time (eye sight gets worse with age).
Side note: If you’re interested, there is some reading you might enjoy on the anti-aging impacts of intermittent fasting on your cells.
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