The human body produces and destroys 15 million blood cells every second.
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Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.
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More than 4.4billion prescriptions were dispensed within the United States in 2016.
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The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.
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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
An open circulatory system.
The nervous system is described as having two interconnected divisions: the central nervous system (
Major glands of the human endocrine system
Procedures for Diagnostic Tests Related to the Digestive System
Pour the injection system cleaning fluid into the open canister. Rubber gloves are highly ...