Blood stream

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Blood Stream

The blood stream (pronunciation: /ˈblʌd striːm/) is the flowing blood within the circulatory system of an organism.

Etymology

The term "blood stream" is derived from the English words "blood," referring to the red liquid that circulates in the arteries and veins of humans and other vertebrate animals, and "stream," meaning a small, narrow river.

Definition

The blood stream is the pathway through which blood circulates around the body, delivering essential nutrients and oxygen to the cells and removing waste products. It consists of the heart, blood vessels, and blood itself.

Related Terms

  • Artery: A blood vessel that carries blood away from the heart to the rest of the body.
  • Vein: A blood vessel that carries blood towards the heart from the body's tissues.
  • Capillary: The smallest type of blood vessel, where the exchange of oxygen, nutrients, and waste products occurs between the blood and the body's cells.
  • Hemoglobin: A protein in red blood cells that carries oxygen from the lungs to the rest of the body.
  • Plasma: The liquid component of blood, in which blood cells are suspended.
  • Platelet: A cell fragment in the blood that is involved in the clotting process.
  • White blood cell: A type of blood cell that is involved in the immune response, helping to fight infection and disease.
  • Red blood cell: A type of blood cell that carries oxygen around the body.

External links

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