There are a lot of mechanisms that make human life possible,one of those mechanism is the body's ability to heal wounds and regenerate damaged tissue. The process begins as soon as an injury occurs.
Something to Consider: The healing process is made possible by a cascade of complex cellular functions which maybe categorized as follows:
• (i)Platelets stick to the tissue around a wound, forming a blood clot and sealing damaged blood vessels.
(ii)The inflammation protects against infection and removes any “residue” caused by the injury.
(iii)Within days, the body begins to replace damaged tissue, shrink the wound, and repair damaged blood vessels.
(iv)Eventually, the scar tissue reshapes and strengthens the damaged area.
Drawing inspiration from the coagulation of blood, researchers are developing plastics that can "heal themselves". These regenerative materials have small, parallel tubes that contain two chemicals that "bleed" if damaged. When the two chemicals mix together, they form a gel that spreads over damaged areas, closing cracks and holes. As the gel solidifies, it forms a tough substance that restores the original strength of the material. One researcher admits that this developing synthetic healing process "reminds" of what already exists in nature.
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