EVERYDAY SCIENCE

Detailed explanation-1: -Whole blood minus erythrocytes (RBCs), leukocytes (WBCs), and thrombocytes (platelets) make up the plasma. Serum, sometimes mistakenly considered synonymous with plasma, consists of plasma without fibrinogen. Plasma contains 91% to 92% of water and 8% to 9% of solids.

Detailed explanation-2: -Plasma is 90 percent water and makes up more than half of total blood volume. Other 10 percent is protein molecules, including enzymes, clotting agents, immune system components, plus other body essentials such as vitamins and hormones.

Detailed explanation-3: -Plasma is about 92% water. It also contains 7% vital proteins such as albumin, gamma globulin and anti-hemophilic factor, and 1% mineral salts, sugars, fats, hormones and vitamins. Plasma serves four important functions in our body: 1.

Detailed explanation-4: -The answer is A. Plasma composes about 55 percent of whole blood, and water composes 92 percent of the plasma volume.

Detailed explanation-5: -So, the correct answer is ‘90%’.