« previous next »
« previous next »
 

Did you know?

Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

Did you know?

Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.

Did you know?

There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

Did you know?

Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.

Did you know?

After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

The Hepatic Portal Blood Supply The liver receives water, minerals, and nutrients from the digestive The Hepatic Portal Blood Supply The liver receives water, minerals, and nutrients from the digestive
Exponential Function vs. Power Function Exponential Function vs. Power Function
Tidal and wave power Tidal and wave power
Resistance training improves muscle strength and endurance Resistance training improves muscle strength and endurance
The original Supply and Demand graph The original Supply and Demand graph
Physics: Power, Energy and Time Physics: Power, Energy and Time
Video: Calvin cycle (The light-independent reactions )

For a complete list of videos, visit our video library