« previous next »
« previous next »
 

Did you know?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

Did you know?

Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

Did you know?

Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

Did you know?

Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

Did you know?

The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.

Walking and running in a tetrapod. Walking and running in a tetrapod.
One danger of a wire fence is that, as shown in this photo, it is practically invisible; a running a One danger of a wire fence is that, as shown in this photo, it is practically invisible; a running a
Running Running
All fuel injectors should make the same sound with the engine running at idle speed. A lack of sound ... All fuel injectors should make the same sound with the engine running at idle speed. A lack of sound ...
Work of Running Water Work of Running Water
If the random variable x is exponentially distributed with parameter λ = 4, then P(x ≤ ... If the random variable x is exponentially distributed with parameter λ = 4, then P(x ≤ ...
Video: Structures that affect circulation - venous return

For a complete list of videos, visit our video library