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Venous blood is typically colder than arterial blood, [1] and has a lower oxygen content and pH. It also has lower concentrations of glucose and other nutrients and has higher concentrations of urea and other waste products. The difference in the oxygen content of arterial blood and venous blood is known as the arteriovenous oxygen difference.
Blood is composed of blood cells suspended in blood plasma. Plasma, which constitutes 55% of blood fluid, is mostly water (92% by volume), [2] and contains proteins, glucose, mineral ions, and hormones. The blood cells are mainly red blood cells (erythrocytes), white blood cells (leukocytes), and (in mammals) platelets (thrombocytes). [3]
It contains hemocyanin, a copper-based protein that turns blue when oxygenated, instead of the iron-based hemoglobin in red blood cells found in vertebrates, giving hemolymph a blue-green color rather than the red color of vertebrate blood. When not oxygenated, hemolymph quickly loses its color and appears grey.
Blue Bloods (novel series), a series of vampire novels by Melissa de la Cruz, and the first book in the series; Blue Blood, novel by Craig Unger, American journalist and writer; Blue Blood, novel by Edward Conlon (born 1965), New York police officer and author; Blue Blood, a play by Georgia Douglas Johnson
The disorder can cause heart abnormalities and seizures if the amount of methemoglobin in the blood exceeds 20 percent, but at levels between 10 and 20 percent it can cause blue skin without other symptoms. Most of the Fugates lived long and healthy lives. The "bluest" of the blue Fugates, Luna Stacy, had 13 children and lived to age 84. [6]
When is the ‘Blue Bloods’ series finale? The final episode of “Blue Bloods” will air Friday, Dec. 13, at 10 p.m. ET/PT. How to watch the final episode of ‘Blue Bloods’ The “Blue ...
Implications of the blue blood system. Fallica said the blue blood title is more of a status symbol than anything, but the label, as arbitrary as it seems to be, still holds power. Blue bloods get ...
Dragon's Blood, sometimes called Australian bloodstone, is composed of red jasper and green epidote. The name heliotrope derives from ancient beliefs about the manner in which the mineral reflects light. Such notions are described, for example, by Pliny the Elder (Nat. Hist. 37.165). [1]