« previous next »
« previous next »
 

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

Did you know?

Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

Did you know?

Illicit drug use costs the United States approximately $181 billion every year.

Did you know?

The horizontal fraction bar was introduced by the Arabs.

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

Small Greek Domestic Dog Small Greek Domestic Dog
Antidepressant Therapy Is Directed Toward the Amelioration of Depressive Symptoms Antidepressant Therapy Is Directed Toward the Amelioration of Depressive Symptoms
Sources of diagnostic error Sources of diagnostic error
Battle scene from The Birth of a Nation, directed by D. W. Griffith. Battle scene from The Birth of a Nation, directed by D. W. Griffith.
Sources of hepatitis C infection. Sources of hepatitis C infection.
Sources of phenotypic variance Sources of phenotypic variance
Video: Structures that affect circulation - heart and systolic/diastolic BP

For a complete list of videos, visit our video library