Body fluid

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Body Fluid

Body fluid, also known as biological fluid, is a liquid originating from inside the bodies of living people. They include fluids that are excreted or secreted from the body. Human body fluid includes plasma, semen, breast milk, sputum, tears, and vomit.

Pronunciation

  • IPA: /ˈbɒdi fluːɪd/

Etymology

The term "body fluid" is derived from the Old English "bodig" (body) and Latin "fluidus" (to flow).

Types of Body Fluids

There are several types of body fluids, including:

  • Blood: A body fluid in humans and other animals that delivers necessary substances such as nutrients and oxygen to the cells and transports metabolic waste products away from those same cells.
  • Sweat: A clear, salty liquid produced by glands in your skin.
  • Urine: A typically sterile liquid by-product of the body secreted by the kidneys through a process called urination and excreted through the urethra.
  • Saliva: The watery and usually frothy substance produced in the mouths of humans and most other animals.
  • Cerebrospinal fluid: A clear, colorless body fluid found in the brain and spinal cord.

Related Terms

  • Hydration: The process of causing something to absorb water.
  • Dehydration: An abnormal loss of water from the body, especially from illness or physical exertion.
  • Electrolyte: A substance that produces an electrically conducting solution when dissolved in a polar solvent, such as water.

External links

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