vital fluid
Definitions
A poetic or archaic term for blood, considered essential to the maintenance of life.
A substance, such as sap or blood, believed to be the fundamental essence or life-force of a living organism.
Examples
The emergency surgeon worked tirelessly to replenish the patient's vital fluid levels after the accident.
In many ancient cultures, blood was revered as the vital fluid that sustained the human spirit.
Dehydration is a serious concern for athletes, as water acts as the vital fluid necessary for regulating body temperature.