« previous next »
« previous next »
 

Did you know?

Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

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.

Cirrhosis. Cirrhosis is characterized by a chronic deterioration of the liver, replacing healthy cel Cirrhosis. Cirrhosis is characterized by a chronic deterioration of the liver, replacing healthy cel
This graphic illustrates the original systems model of politics advanced by David Easton. Politics This graphic illustrates the original systems model of politics advanced by David Easton. Politics
International Television Viewing Rates in Childhood In most developed countries, children watch TV International Television Viewing Rates in Childhood In most developed countries, children watch TV
Newly Industrialized Countries Newly Industrialized Countries
Stable oxygen isotopes in water Stable oxygen isotopes in water
Map of Arabic Speaking Countries Map of Arabic Speaking Countries
Video: Stomach peristalsis & Enterogastric reflex

For a complete list of videos, visit our video library