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Did you know?

More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.

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Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

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The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

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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).

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The average adult has about 21 square feet of skin.

An implantable cardiovert-defibrillator: A dual-chamber ICD device with a pulse generator is implant An implantable cardiovert-defibrillator: A dual-chamber ICD device with a pulse generator is implant
Single blood cell Single blood cell
Cardiac Blood Flow Cardiac Blood Flow
Sickled and normal red blood cells. Sickled and normal red blood cells.
The heart: interior view of the heart chambers. The heart: interior view of the heart chambers.
Demonstrating the use of venipuncture equipment. Using a syringe to draw blood. Demonstrating the use of venipuncture equipment. Using a syringe to draw blood.
Video: Plant Defense Mechanisms from Pathogens

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