« previous next »
« previous next »
 

Did you know?

The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.

Did you know?

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.

Did you know?

In 1844, Charles Goodyear obtained the first patent for a rubber condom.

Did you know?

There are more nerve cells in one human brain than there are stars in the Milky Way.

Did you know?

The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.

Nucleotides and their components Nucleotides and their components
Information Processing Model The components of the model operate simultaneously. Information Processing Model The components of the model operate simultaneously.
If a fire were to occur, follow the evacuation plan. If a fire were to occur, follow the evacuation plan.
Plan of a Temple, Perhaps Dedicated to Portunus Plan of a Temple, Perhaps Dedicated to Portunus
Plan of Trajan's Forum and Market "خطة منتدى ترجان والسوق" Plan of Trajan's Forum and Market "خطة منتدى ترجان والسوق"
Components of the Lymphatic System Components of the Lymphatic System
Video: Introduction to Tuberculosis

For a complete list of videos, visit our video library