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Did you know?

Your heart beats over 36 million times a year.

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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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The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

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Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.

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There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

Occipital bone Occipital bone
Features found in a long bone. Features found in a long bone.
Transverse Breaks the shaft of a bone across its longitudinal axis; the break is in the fibula, the Transverse Breaks the shaft of a bone across its longitudinal axis; the break is in the fibula, the
Bone Fracture X-ray Bone Fracture X-ray
Edentulous patient with pieces of bone that became necrotic and continued to slough off after tooth ... Edentulous patient with pieces of bone that became necrotic and continued to slough off after tooth ...
Sports drinks can replace electrolytes and fluids lost during exercise Sports drinks can replace electrolytes and fluids lost during exercise
Video: Introduction to Breast Cancer

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