where is blood primarly composed
Blood plasma [edit]. Blood plasma is the liquid component of whole blood, and makes up approximately 55% of the total blood volume. It is composed primarily of water with small amounts of minerals, salts, ions, nutrients, and proteins in solution.In whole blood, red blood cells, leukocytes, and platelets are suspended within the plasma.lood plasma [edit]. Blood plasma is the liquid component of whole blood, and makes up approximately 55% of the total blood volume. It is composed primarily of water with small amounts of minerals, salts, ions, nutrients, and proteins in solution.