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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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Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

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Approximately 25% of all reported medication errors result from some kind of name confusion.

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Green tea is able to stop the scent of garlic or onion from causing bad breath.

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About 60% of newborn infants in the United States are jaundiced; that is, they look yellow. Kernicterus is a form of brain damage caused by excessive jaundice. When babies begin to be affected by excessive jaundice and begin to have brain damage, they become excessively lethargic.

A full-term pregnancy. Image illustrates position of the fetus and the structures associated with pr A full-term pregnancy. Image illustrates position of the fetus and the structures associated with pr
An image of a streptococcus bacteria taken by a scanning electron microscope. An image of a streptococcus bacteria taken by a scanning electron microscope.
A diagrammatic section through a typical adult tooth. A diagrammatic section through a typical adult tooth.
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Chiropractor (stock image) Chiropractor (stock image)
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