« previous next »
« previous next »
 

Did you know?

Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

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?

The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

Did you know?

HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

Did you know?

Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

GI series. (a) Upper GI series begins with a barium swallow, barium shake, or barium meal. (b) Lower GI series. (a) Upper GI series begins with a barium swallow, barium shake, or barium meal. (b) Lower
Some clues about the importance of language experience come from the tragic case of Genie, a girl ... Some clues about the importance of language experience come from the tragic case of Genie, a girl ...
Typical ignition timing map developed from testing and used by the vehicle computer to provide the ... Typical ignition timing map developed from testing and used by the vehicle computer to provide the ...
Food Labels Provide Nutrient Content Information Food Labels Provide Nutrient Content Information
Farmers’ markets provide fresh, local produce to consumers Farmers’ markets provide fresh, local produce to consumers
Analyzing texts Analyzing texts
Video: Pasteur's Experiment

For a complete list of videos, visit our video library