Hemoglobin and Lifeblood

Hemoglobin noun - A hemoprotein composed of globin and heme that gives red blood cells their characteristic color; function primarily to transport oxygen from the lungs to the body tissues.

Lifeblood and hemoglobin are semantically related. In some cases you can use "Lifeblood" instead a noun "Hemoglobin".

Lifeblood noun - The blood considered as the seat of vitality.

Hemoglobin and lifeblood are semantically related. You can use "Hemoglobin" instead a noun "Lifeblood".