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Did you know?

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

Did you know?

The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

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Fatal fungal infections may be able to resist newer antifungal drugs. Globally, fungal infections are often fatal due to the lack of access to multiple antifungals, which may be required to be utilized in combination. Single antifungals may not be enough to stop a fungal infection from causing the death of a patient.

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Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Relative permeability of an artificial phospholipid bilayer to a variety of solutes. Relative permeability of an artificial phospholipid bilayer to a variety of solutes.
An illustration of the helium atom, depicting the nucleus (pink) and the electron cloud distribution An illustration of the helium atom, depicting the nucleus (pink) and the electron cloud distribution
The Functions of Water in the Body The Functions of Water in the Body
Three factors that influence the distribution of Na+ and K+ ions across the neural membrane. Three factors that influence the distribution of Na+ and K+ ions across the neural membrane.
The Eye and Its Functions The Eye and Its Functions
Composition of Functions Composition of Functions
Video: Renin/Angiotensin (water gain from urine & Na ion and water reabsorption)

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