« previous next »
« previous next »
 

Did you know?

In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.

Did you know?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

Did you know?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

Did you know?

Though methadone is often used to treat dependency on other opioids, the drug itself can be abused. Crushing or snorting methadone can achieve the opiate "rush" desired by addicts. Improper use such as these can lead to a dangerous dependency on methadone. This drug now accounts for nearly one-third of opioid-related deaths.

Did you know?

The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.

ABO Blood Typing ABO Blood Typing
Automated blood pressure monitor Automated blood pressure monitor
Electronic blood pressure measurement Electronic blood pressure measurement
The primary response causes B cells to produce memory B cells and a few antibodies. The second ... The primary response causes B cells to produce memory B cells and a few antibodies. The second ...
Recognition of conformational epitopes by B cells. Recognition of conformational epitopes by B cells.
Heart Valves and Circulation of Blood Heart Valves and Circulation of Blood
Video: Vascular tissues in a corn stem and a buttercup root

For a complete list of videos, visit our video library