« previous next »
« previous next »
 

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

Did you know?

The longest a person has survived after a heart transplant is 24 years.

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

Did you know?

According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Blue-tailed Bee-eater from behind, showing the blue rump and tail Blue-tailed Bee-eater from behind, showing the blue rump and tail
) Subcutaneous drug administration: (c) the needle is inserted at a 45 ) Subcutaneous drug administration: (c) the needle is inserted at a 45
In 2013, Americans learned that the federal government massively surveys their phone calls and e-mai In 2013, Americans learned that the federal government massively surveys their phone calls and e-mai
Vertebral regions showing the four spinal curves. Vertebral regions showing the four spinal curves.
Most drugs exhibit first-order elimination, in which the rate of drug elimination is equivalent to ... Most drugs exhibit first-order elimination, in which the rate of drug elimination is equivalent to ...
Rating of Drug Interactions Rating of Drug Interactions
Video: Griffith's experiments

For a complete list of videos, visit our video library