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Did you know?

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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Human kidneys will clean about 1 million gallons of blood in an average lifetime.

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In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

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The effects of organophosphate poisoning are referred to by using the abbreviations “SLUD” or “SLUDGE,” It stands for: salivation, lacrimation, urination, defecation, GI upset, and emesis.

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People about to have surgery must tell their health care providers about all supplements they take.

Erythrocytes (red blood cells) moving through a capillary in single file. Erythrocytes (red blood cells) moving through a capillary in single file.
Eukaryotic Cells Eukaryotic Cells
Normal red blood cells. Normal red blood cells.
Urinary tract infection. A UTI is characterized by fever, lumbar or abdominal pain, and pain or burn Urinary tract infection. A UTI is characterized by fever, lumbar or abdominal pain, and pain or burn
Loss of brain cells in a transgenic Huntington-disease mouse. (a) Section of normal mouse-brain stri Loss of brain cells in a transgenic Huntington-disease mouse. (a) Section of normal mouse-brain stri
Lineup of leukocytes (white blood cells) Lineup of leukocytes (white blood cells)
Video: Brain Anatomy Animation (Part 2 of 2)

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