Did you know?
The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.
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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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More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.
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A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.
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The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.
Spectra of a Metal-Poor and a Metal-Rich Star
A typical electric cooling fan assembly after being removed from the vehicle.
A typical variable cam timing control valve. The solenoid is controlled by the engine computer and ...
A typical zirconia oxygen sensor.
Typical port fuel-injection system, indicating the location of various components. Notice that the ...
Typical Reverse Osmosis Filter Setup