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

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Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.

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Recent studies have shown that the number of medication errors increases in relation to the number of orders that are verified per pharmacist, per work shift.

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Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

Anatomy of the Brain Anatomy of the Brain
brain brain
Brain activity varies by culture Brain activity varies by culture
Dopamine cannot cross the blood–brain barrier. Levodopa, its precursor, can. Once levodopa crosses ... Dopamine cannot cross the blood–brain barrier. Levodopa, its precursor, can. Once levodopa crosses ...
Various views of the main body cavities. Various views of the main body cavities.
A thin cleft, called the synapse, separates one cell from another. A thin cleft, called the synapse, separates one cell from another.
Video: Energy sources - types

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