What is a scab?

The video explains what a scab is and how it forms. It begins with an introduction to scabs, followed by a detailed look at blood under a microscope, highlighting the roles of red blood cells, white blood cells, and platelets. The video then describes how platelets help form a scab to stop bleeding and protect the wound, allowing new skin cells to grow and heal the cut. Once healed, the scab falls off, completing the healing process.

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