« previous next »
« previous next »
 

Did you know?

There are 60,000 miles of blood vessels in every adult human.

Did you know?

A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.

Did you know?

Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

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?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

A Snapshot of the Sun’s Global Magnetic Field A Snapshot of the Sun’s Global Magnetic Field
The greatest bone mass is found around age 30 for both men and women, with the later decline being f The greatest bone mass is found around age 30 for both men and women, with the later decline being f
Percentages of adolescents indicating Benefits and Costs of employment. Percentages of adolescents indicating Benefits and Costs of employment.
Global Tectonic Plates Global Tectonic Plates
Global Coffee Production Global Coffee Production
World Regions in Global Context: Peoples, Places, and Environments World Regions in Global Context: Peoples, Places, and Environments
Video: Structure of Amino Acid, Peptide Bonds & Polypeptides

For a complete list of videos, visit our video library