Blood volume
Blood Volume
Blood volume is the total amount of blood circulating within the body. It is a vital part of the body's overall health and function.
Pronunciation
Blood Volume: /blʌd ˈvɒl.juːm/
Etymology
The term "blood volume" is derived from the Old English "blōd" and the Latin "volumen", meaning "roll" or "sphere".
Definition
Blood volume is the quantity of blood in the circulatory system, expressed usually in liters or cubic millimeters. In adults, it is approximately 5 liters, although it can vary depending on factors such as body size, weight, gender, age, and overall health.
Related Terms
- Hematocrit: The ratio of the volume of red blood cells to the total volume of blood.
- Plasma: The liquid component of blood, in which the blood cells are suspended.
- Red blood cells: Cells that carry oxygen from the lungs to the body's tissues and take carbon dioxide back to the lungs.
- White blood cells: Cells of the immune system that are involved in protecting the body against both infectious disease and foreign invaders.
- Platelets: Tiny blood cells that help your body form clots to stop bleeding.
- Hemoglobin: A protein in red blood cells that carries oxygen.
- Blood transfusion: A procedure that replaces blood lost during surgery or due to a serious injury.
- Anemia: A condition in which you lack enough healthy red blood cells to carry adequate oxygen to your body's tissues.
See Also
External links
- Medical encyclopedia article on Blood volume
- Wikipedia's article - Blood volume
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