An increase in hemoglobin increases

A) the ability of the blood to carry O₂ to various tissues.
B) the quantity of plasma protein available for blood clotting.
C) the leukocyte count.
D) the body's immune response.
E) the osmotic pressure of the blood.

Hemoglobin

A protein molecule in red blood cells that carries oxygen from the lungs to the body's tissues and returns carbon dioxide from the tissues back to the lungs.

Osmotic Pressure

The pressure required to stop the osmotic flow of water across a semipermeable membrane, which arises due to differences in solute concentration.

Leukocyte Count

The number of white blood cells present in a given volume of blood, used as an indicator of immune system health.