It starts to form as soon as the skin is injured: Blood platelets clump together, forming a loose clot to stem the bleeding. When the clot dries, it turns into a scab. As scabs heal, they often ...

Once the blood clot is exposed to air, it begins to dry and harden, forming a scab. This scab acts as a natural bandage, shielding the underlying wound from external bacteria, dirt, and other ...

Red blood cells also get stuck in the mesh, forming a clot. This develops into a scab, which protects the wound as it heals. Plasma close blood plasmaThe liquid part of the blood containing useful ...