How does a cut turn into a scab?
Scab Construction Crew
How does a cut turn into a scab?
You scrape your knee on the sidewalk — ow! — and there's blood. But the next morning, the cut is covered by a dark, crusty scab. How did your body build that overnight?
The moment you get cut, blood rushes out carrying special cells called platelets. Platelets are like tiny construction workers floating in your blood, waiting for emergencies. When they hit air and see the edges of the wound, they know: time to plug this leak.
