« previous next »
« previous next »
 

Did you know?

More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

Did you know?

Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

Did you know?

The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Did you know?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

X chromosome inactivation in female mammals produces the Barr Body. X chromosome inactivation in female mammals produces the Barr Body.
Changes in metabolic rate of selected structures in a mammal's body during different activities Changes in metabolic rate of selected structures in a mammal's body during different activities
The appearance of different types of tissues-muscle, epithelial, nervous, connective-and their locat The appearance of different types of tissues-muscle, epithelial, nervous, connective-and their locat
Body fluid compartments. Body fluid compartments.
A beam-type torque wrench that displays the torque reading on the face of the dial. The beam display ... A beam-type torque wrench that displays the torque reading on the face of the dial. The beam display ...
The two TP sensors used on the throttle body of an electronic throttle body assembly produce ... The two TP sensors used on the throttle body of an electronic throttle body assembly produce ...
Video: Methods that regulate pH

For a complete list of videos, visit our video library