« previous next »
« previous next »
 

Did you know?

In 1864, the first barbiturate (barbituric acid) was synthesized.

Did you know?

According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

Did you know?

In 1885, the Lloyd Manufacturing Company of Albany, New York, promoted and sold "Cocaine Toothache Drops" at 15 cents per bottle! In 1914, the Harrison Narcotic Act brought the sale and distribution of this drug under federal control.

Did you know?

Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.

Did you know?

In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

inflammatory system inflammatory system
The Autonomic Nervous System The Autonomic Nervous System
Relationship of the lymphatic system to the cardiovascular system. Relationship of the lymphatic system to the cardiovascular system.
A dual turbocharger system installed on a small block Chevrolet V-8 engine. A dual turbocharger system installed on a small block Chevrolet V-8 engine.
The Central and Peripheral Nervous System The Central and Peripheral Nervous System
Flowchart illustrating how genetic information encoded in DNA produces protein Flowchart illustrating how genetic information encoded in DNA produces protein
Video: Allergic Rhinitis

For a complete list of videos, visit our video library