What is the primary function of the globin chains in hemoglobin?

A To bind and transport oxygen to tissues
B To regulate iron metabolism in the body
C To facilitate the synthesis of heme
D To maintain the structural integrity of red blood cells
The globin chains in hemoglobin are responsible for binding and transporting oxygen to tissues, allowing for the delivery of oxygen to the body's cells.
Guyton and Hall Textbook of Medical Physiology
Hematology Hematology: Hemoglobin and Oxygen Transport Hematology: Hemoglobin and Oxygen Transport Easy MEDICAL Confidence: high