The amount of oxygen-carrying protein in red blood cells

The number of red blood cells in the blood

The proportion of blood made of red blood cells

The average amount of hemoglobin per red blood cell

The average concentration of hemoglobin in red blood cells

The average size of red blood cells

The number of platelets in the blood

The number of white blood cells in the blood

Globulins are a group of proteins in the blood that play important roles in liver and kidney function, blood clotting, and fighting infection.