How does the human body differentiate between abrasions and cuts or stretch marks? And if the body sees them similarly, why do they heal differently?
In: Biology
The injuries you listed are healed by the same process, your body doesn’t differentiate. If you get cut or scratch or abrasions or a complete amputation your blood clots up and starts the healing process. Stretch marks occur when there is intense and fast expansion of skin, the middle layer of your skin tears showing deeper layers and tissue, so u see the stretch marks. The broken parts will eventually re connect similar to how a cut re connects over time. But will still leave a scar
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