'प्लाज़्मा' रक्त का कितना प्रतिशत भाग बनाता है?

उत्तर: (C) 55% — Plasma constitutes ~55% of blood. It is a pale yellow fluid containing water (92%), proteins (albumin, globulin, fibrinogen), glucose, hormones, and waste products. The remaining ~45% is formed elemen...