When we get a cut on our body , our blood vessels and WBCs are there to heal it then why do we put on a bandage from outside ?
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Solution
Blood vessels and WBC are their to create blood clots to stop bleeding but this process takes time, in case of heavy bleeding it might take several hours to for them to stop bleeding naturally but in that case the patient may die due to excessive bleeding, bandages are used to stop the bleeding so that the WBC can work and create blood clots .If bandages aren't there the WBC and Blood vessels will also flow outside the body