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Did you know?

There are 60,000 miles of blood vessels in every adult human.

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On average, the stomach produces 2 L of hydrochloric acid per 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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Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

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The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.

A controlled fire being set as part of ecosystem management in Jasper National Park. A controlled fire being set as part of ecosystem management in Jasper National Park.
A Controlled Cross between Two Plants A Controlled Cross between Two Plants
Label used to indicate a class IV controlled substance. Label used to indicate a class IV controlled substance.
Normal combustion is a smooth, controlled burning of the air–fuel mixture. Normal combustion is a smooth, controlled burning of the air–fuel mixture.
A vacuum-operated EGR valve. The vacuum to the EGR valve is computer controlled by the EGR valve ... A vacuum-operated EGR valve. The vacuum to the EGR valve is computer controlled by the EGR valve ...
Hormonally controlled cycles Hormonally controlled cycles
Video: Acid-base imbalances - compensation of metabolic acidosis and alkalosis

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