« previous next »
« previous next »
 

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

Did you know?

Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.

Did you know?

Asthma cases in Americans are about 75% higher today than they were in 1980.

Did you know?

Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

The cellular response of skeletal muscle cells to epinephrine The cellular response of skeletal muscle cells to epinephrine
Abruptio placentae. The placenta becomes prematurely detached from the uterine wall. Abruptio placentae. The placenta becomes prematurely detached from the uterine wall.
Cystostomy. An artificial opening is made through the urinary bladder wall during this procedure. As Cystostomy. An artificial opening is made through the urinary bladder wall during this procedure. As
Eye movements with muscle and nerve coordination Eye movements with muscle and nerve coordination
Muscle Tissue Components Muscle Tissue Components
Muscular system Muscular system
Video: Adolescent Diabetes

For a complete list of videos, visit our video library