« previous next »
« previous next »
 

Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

Did you know?

In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

Did you know?

Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.

Did you know?

On average, the stomach produces 2 L of hydrochloric acid per day.

Did you know?

Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.

Basic overview of energy and human life. Basic overview of energy and human life.
The base of the human cranium is more flexed than the base of the chimpanzee cranium. The base of the human cranium is more flexed than the base of the chimpanzee cranium.
Human Visual System Human Visual System
Systems of the Human Body Systems of the Human Body
The time spent in each interval of one complete cell cycle of a human cell in culture The time spent in each interval of one complete cell cycle of a human cell in culture
Annotation of a DNA sequence containing part of the human globin gene Annotation of a DNA sequence containing part of the human globin gene
Video: Blood Flow through the Human Heart

For a complete list of videos, visit our video library