Hemoglobin:A protein in red blood cells responsible for carrying oxygen from the lungs to the body's tissues and returning carbon dioxide from the tissues back to the lungs.
Erythrocytes:Also known as red blood cells, they are responsible for carrying oxygen and carbon dioxide throughout the body.
Carbon Monoxide Poisoning: A condition caused by binding of carbon monoxide to hemoglobin, preventing it from carrying sufficient oxygen, illustrating the specificity and importance of oxyhemoglobin in gas transport