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There are 60,000 miles of blood vessels in every adult human.

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Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

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Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

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Persons who overdose with cardiac glycosides have a better chance of overall survival if they can survive the first 24 hours after the overdose.

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Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.

Diverse living organisms share common chemical features Diverse living organisms share common chemical features
In a project on job discrimination, Pager prepared identical résumés for the teams, but with one ... In a project on job discrimination, Pager prepared identical résumés for the teams, but with one ...
Five layers or sheaths called koshas in Ayurvedic philosophy. Five layers or sheaths called koshas in Ayurvedic philosophy.
Cancer cells can move to new locations in the body, a process called metastasis Cancer cells can move to new locations in the body, a process called metastasis
A very small sampling of organisms in an arctic food web on land. A very small sampling of organisms in an arctic food web on land.
Examples of animal reproduction. Examples of animal reproduction.
Video: Oxygen transport - methods and oxyhemoglobin

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