what is plasma from your body made of
Plasma is the largest component of blood, making up about 55% of its overall content. It's mainly made of water and surrounds the blood cells, carrying them around the body. Plasma helps maintain blood pressure and regulates body temperature. It contains a complex mix of substances used by the body to perform important functions. These substances include minerals, salts, hormones and proteins. Three important proteins found in plasma are: 1  albumin. 2  clotting (coagulation) factors.