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Did you know?

As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.

Did you know?

There are more sensory neurons in the tongue than in any other part of the body.

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About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

Did you know?

About 80% of major fungal systemic infections are due to Candida albicans. Another form, Candida peritonitis, occurs most often in postoperative patients. A rare disease, Candida meningitis, may follow leukemia, kidney transplant, other immunosuppressed factors, or when suffering from Candida septicemia.

Did you know?

Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.

Relative permeability of an artificial phospholipid bilayer to a variety of solutes. Relative permeability of an artificial phospholipid bilayer to a variety of solutes.
Tense laid back ear position indicating unhappiness. Mouth and lips are also tense, which may indica Tense laid back ear position indicating unhappiness. Mouth and lips are also tense, which may indica
Position of the urinary organs. Position of the urinary organs.
Anatomical position of thyroid gland Anatomical position of thyroid gland
Upper Paleolithic stone tools include blade-based tools as seen here being produced from a blade cor Upper Paleolithic stone tools include blade-based tools as seen here being produced from a blade cor
Reverse tailor position Reverse tailor position
Video: Introduction to Sickle Cell Anemia

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