Advantage
Because the systemic circulation is powered by the left ventricle (which is very muscular), one advantage of this form of circulation - as opposed to open circulation, or the gill system that fish use to breathe - is that there is simultaneous high-pressure oxygenated blood delivered to all parts of the body (except for the inner epithelial lining of the lungs which receive their oxygen during the exchange of the gases themselves).
Read more about this topic: Systemic Circulation
Famous quotes containing the word advantage:
“Everything has been said yet few have taken advantage of it. Since all our knowledge is essentially banal, it can only be of value to minds that are not.”
—Raoul Vaneigem (b. 1934)
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—Iris Murdoch (b. 1919)
“A fine woman shews her charms to most advantage when she seems most to conceal them. The finest bosom in nature is not so fine as what imagination forms.”
—Dr. Gregory (18th century)