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Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

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Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.

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The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

Did you know?

There are 20 feet of blood vessels in each square inch of human skin.

Micrographs of nerve cells taken with different types of light microscopes. Micrographs of nerve cells taken with different types of light microscopes.
Overview of gas exchange between the environment, blood, and cells. Overview of gas exchange between the environment, blood, and cells.
Transfection in Eukaryotic Cells p2 Transfection in Eukaryotic Cells p2
The nurse is using Standard Precautions to draw blood. The nurse is using Standard Precautions to draw blood.
Allogeneic stem cells Allogeneic stem cells
Blood PH Curve Hemoglobin Blood PH Curve Hemoglobin
Video: The Pressure Flow Model in a Plant

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