Blood – रक्त | General Knowledge | UPSC, SSC, Railway Exam - Videos

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Blood is essential to life. Blood circulates through our body and delivers essential substances like oxygen and nutrients to the body’s cells. It also transports metabolic waste products away from those same cells. There is no substitute for blood. It cannot be made or manufactured. Generous blood donors are the only source of blood for patients in need of a blood transfusion.

Blood Components
1. Red Blood Cells
2. Platelets
3. Plasma
4. White Blood Cells

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