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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.

Did you know?

On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

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Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.

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Everyone has one nostril that is larger than the other.

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Individuals are never “cured” of addictions. Instead, they learn how to manage their disease to lead healthy, balanced lives.

The major skeletal muscles—anterior superficial view. The major skeletal muscles—anterior superficial view.
Major trunk lines carrying long-distance traffic crisscrossed the area east of the Mississippi. The Major trunk lines carrying long-distance traffic crisscrossed the area east of the Mississippi. The
Major U.S. Centers of Cattle, Corn, Wheat, and Soybean Production Major U.S. Centers of Cattle, Corn, Wheat, and Soybean Production
Earth’s Major Lithospheric Plates Earth’s Major Lithospheric Plates
Sensory Areas of the Brain Sensory Areas of the Brain
The Major Plant Groups The Major Plant Groups
Video: Structure of a Ribosome

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