« previous next »
« previous next »
 

Did you know?

There are approximately 3 million unintended pregnancies in the United States each year.

Did you know?

Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.

Did you know?

Limit intake of red meat and dairy products made with whole milk. Choose skim milk, low-fat or fat-free dairy products. Limit fried food. Use healthy oils when cooking.

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Did you know?

Less than one of every three adults with high LDL cholesterol has the condition under control. Only 48.1% with the condition are being treated for it.

The structure of the human ear. The structure of the human ear.
Artery and Vein (structure) Artery and Vein (structure)
Structure of HIV Structure of HIV
A Layer Based on Electrical Properties: The Ionosphere A Layer Based on Electrical Properties: The Ionosphere
C1qrs. A schematic of C1 showing structure and C1q, r, and s. C1qrs. A schematic of C1 showing structure and C1q, r, and s.
How to use the discriminant to determine the value of k in a quadratic with one real root How to use the discriminant to determine the value of k in a quadratic with one real root
Video: Factors that influence muscle tension - Sarcomere length and force, understretched and overstretched

For a complete list of videos, visit our video library