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The liquid portion of blood transports proteins glucose hormones and electrolytes. The figure is taken from NIH, which is linked in full on this page. Every fact on Mondo Knows names its source rather than repeating an unsourced claim.

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Yes. It sits on the Human Body shelf, one of 1,090 sourced facts grouped into space, animals, the human body, history, science and more. Category pages collect every fact in the same field.

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Blood plasma is composed of over ninety percent water

The liquid portion of blood transports proteins glucose hormones and electrolytes

Blood plasma constitutes about 55 percent of total blood volume. It is composed of roughly 92 percent water, with the remainder consisting of vital plasma proteins like albumin and fibrinogen, dissolved glucose, mineral electrolytes, antibodies, and metabolic waste products.

Where this comes from

NIH

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The spleen recycles old red blood cells and stores plateletsFist-sized abdominal organ monitors blood quality and mounts immune responses Human kidneys filter roughly one hundred eighty litres of blood dailyPaired abdominal organs cleanse blood plasma and regulate fluid balance Human blood vessels could circle the Earth two and a half timesStretching capilliaries arteries and veins end to end totals 100,000 kilometres The body produces millions of red blood cells every secondRed blood cells circulate for about 120 days before being recycled An average adult body contains about five litres of bloodBlood accounts for roughly seven to eight percent of total adult body weight White blood cells defend the body against infectious pathogensLeukocytes circulate in blood and tissue to destroy invading bacteria and viruses

Tags: blood, plasma, water

Blood plasma is composed of over ninety percent water: the short answers

Where does this come from, and can I check it?: The liquid portion of blood transports proteins glucose hormones and electrolytes. The figure is taken from NIH, which is linked in full on this page. Every fact on Mondo Knows names its source rather than repeating an unsourced claim.
Is this really a human body fact?: Yes. It sits on the Human Body shelf, one of 1,090 sourced facts grouped into space, animals, the human body, history, science and more. Category pages collect every fact in the same field.
What else can I read about it?: The links under the fact point to a quiz, game, puzzle or calculator on the same subject, and the shelf below shows related facts. The wording here is original, and quoted phrases are marked as quotations.