When a small blood vessel develops a tiny leak, platelets respond within seconds. These small cell fragments constantly circulate and scan vessel walls for signs of damage. When they encounter an injured spot, they instantly stick to the exposed surface. This contact activates them, causing them to change shape and become sticky. Activated platelets release chemical signals that call in more platelets from the bloodstream. As additional platelets arrive, they clump together and form a temporary
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When a small blood vessel develops a tiny leak, platelets respond within seconds. These small cell fragments constantly circulate and scan vessel walls for signs of damage. When they encounter an injured spot, they instantly stick to the exposed surface. This contact activates them, causing them to change shape and become sticky. Activated platelets release chemical signals that call in more platelets from the bloodstream. As additional platelets arrive, they clump together and form a temporary
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