« previous next »
« previous next »
 

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

Did you know?

Recent studies have shown that the number of medication errors increases in relation to the number of orders that are verified per pharmacist, per work shift.

Did you know?

The familiar sounds of your heart are made by the heart's valves as they open and close.

Did you know?

The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

Did you know?

Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.

The sea urchin Diadema on a coral reef. Feeding by Diadema appears to play a key role in the interac The sea urchin Diadema on a coral reef. Feeding by Diadema appears to play a key role in the interac
The Sun as it appears from the surface of Earth before sunset. The Sun as it appears from the surface of Earth before sunset.
Ecological restoration Ecological restoration
Early Childhood Caries When infants are given a bottle shortly before sleep Early Childhood Caries When infants are given a bottle shortly before sleep
Ecological Restoration in Louisiana Ecological Restoration in Louisiana
Day 16 Neural groove appears as the neural tube begins forming. Day 16 Neural groove appears as the neural tube begins forming.
Video: Bipolar Disorder

For a complete list of videos, visit our video library