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A working system should not generate further trapped gas. Air may be drawn in if there is a small leak, or dissolved air in make-up water may come out of solution, but this generally indicates a system leak if new water is needing to be added. The most likely cause of continual gas bleeding is hydrogen, rather than air. [2]
A bruise, also known as a contusion, is a type of hematoma of tissue, [3] the most common cause being capillaries damaged by trauma, causing localized bleeding that extravasates into the surrounding interstitial tissues. Most bruises occur close enough to the epidermis such that the bleeding causes a visible discoloration.
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External bleeding is generally described in terms of the origin of the blood flow by vessel type. The basic categories of external bleeding are: Arterial bleeding: As the name suggests, blood flow originating in an artery. With this type of bleeding, the blood is typically bright red to yellowish in colour, due to the high degree of oxygenation.
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The Abbasid's visier Al-Fadl ibn Sahl was found dead mysteriously in a bathroom in Sarakhs in Northern Khorasan. According to some rumors, the Abbasid Caliph Al-Ma'mun ibn Harun Ar-Rashid had ordered his assassination. [22] Elvis Presley died when using the toilet. [23] "Most sources indicate that Elvis was likely sitting in the toilet area ...
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Ancient Greek painting on a vase, showing a physician (iatros) bleeding a patient Bloodletting (or blood-letting ) is the withdrawal of blood from a patient to prevent or cure illness and disease. Bloodletting, whether by a physician or by leeches , was based on an ancient system of medicine in which blood and other bodily fluids were regarded ...