« previous next »
« previous next »
 

Did you know?

Everyone has one nostril that is larger than the other.

Did you know?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

Did you know?

The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

Did you know?

The average office desk has 400 times more bacteria on it than a toilet.

A blood smear. The smear reveals representative cells from each formed element group: red blood cell A blood smear. The smear reveals representative cells from each formed element group: red blood cell
Dynamic Response of Thermometers Experiment Dynamic Response of Thermometers Experiment
The five skills of the element Analysis of Situation The five skills of the element Analysis of Situation
The two skills of the element Generating Alternatives The two skills of the element Generating Alternatives
A fictional element named Nivadium is found to have three naturally occurring is A fictional element named Nivadium is found to have three naturally occurring is
Mercury Element Mercury Element
Video: Role of the respiratory system - effect of altered ventilation rates

For a complete list of videos, visit our video library