« previous next »
« previous next »
 

Did you know?

More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

Did you know?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

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.

Did you know?

There are 20 feet of blood vessels in each square inch of human skin.

Calcium channels and muscle contraction: (a) Calcium channels open as the action potential travels ... Calcium channels and muscle contraction: (a) Calcium channels open as the action potential travels ...
The mechanism of action of lysozyme The mechanism of action of lysozyme
Juvenile buzzard being weighed for research Juvenile buzzard being weighed for research
An educational institution has total direct labor and material costs of $1964 per student. Its ... An educational institution has total direct labor and material costs of $1964 per student. Its ...
Gel electrophoresis, an essential laboratory technique in biological science research Gel electrophoresis, an essential laboratory technique in biological science research
Muscle action in the small intestine Muscle action in the small intestine
Video: Cardiac Cycle (Part 2 of 4)

For a complete list of videos, visit our video library