« previous next »
« previous next »
 

Did you know?

In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

Did you know?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

Did you know?

Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.

Did you know?

Famous people who died from poisoning or drug overdose include, Adolf Hitler, Socrates, Juan Ponce de Leon, Marilyn Monroe, Judy Garland, and John Belushi.

Did you know?

In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

A helical array of and tubulin forms a microtubule A helical array of and tubulin forms a microtubule
Mass Wasting Forms Mass Wasting Forms
Lever Systems and Leverage Lever Systems and Leverage
Age structure for three countries (China) Age structure for three countries (China)
Basic Chemical Structure of Amino Acids Basic Chemical Structure of Amino Acids
Trace word by sk kid Trace word by sk kid
Video: Basic rhythm - control centers in medulla oblongata, spirograph and normal tidal cycle

For a complete list of videos, visit our video library