Question

which component of blood is greatest by volume? plasma leucocytes erythrocytes electrolytes

Explanation:

Plasma is the liquid - like component of blood and makes up about 55% of blood volume. Leucocytes are white blood cells and are a very small part of blood volume. Erythrocytes are red blood cells and make up about 45% of blood volume. Electrolytes are dissolved in plasma and are a minor component in terms of volume.

Answer:

A. Plasma