« previous next »
« previous next »
 

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?

Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.

Did you know?

The familiar sounds of your heart are made by the heart's valves as they open and close.

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Did you know?

The FDA recognizes 118 routes of administration.

Major Arteries of the Brain Major Arteries of the Brain
Teres Major Teres Major
Major muscles of the chest. Major muscles of the chest.
Descending limbs of Hadley cells are the sites of the world’s major deserts Descending limbs of Hadley cells are the sites of the world’s major deserts
Marketing: Real People, Real Choices Marketing: Real People, Real Choices
Major blood vessels of the human cardiovascular system Major blood vessels of the human cardiovascular system
Video: Electrical changes in the heart

For a complete list of videos, visit our video library