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When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

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In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

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Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

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Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

A beveled tip helps the needle penetrate skin and vein with minimal damage. A beveled tip helps the needle penetrate skin and vein with minimal damage.
Cutaneous granulomatous lesions on the face of a man suffering from a dermatophytic infection. Cutaneous granulomatous lesions on the face of a man suffering from a dermatophytic infection.
Skin color is a polygenic trait controlled by three or four genes, producing a wide range of phenoty Skin color is a polygenic trait controlled by three or four genes, producing a wide range of phenoty
The age-adjusted rate of melanoma, a deadly form of skin cancer, from 1973 to 2000. Over that time p The age-adjusted rate of melanoma, a deadly form of skin cancer, from 1973 to 2000. Over that time p
Layers and Major Structures of the Skin Layers and Major Structures of the Skin
Staphylococcus epidermidis, a common colonizer of human skin. Staphylococcus epidermidis, a common colonizer of human skin.
Video: How do the different types of chromatography work? (No Audio)

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