« previous next »
« previous next »
 

Did you know?

Carbamazepine can interfere with the results of home pregnancy tests. If you are taking carbamazepine, do not try to test for pregnancy at home.

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

Did you know?

About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

Did you know?

Adults are resistant to the bacterium that causes Botulism. These bacteria thrive in honey – therefore, honey should never be given to infants since their immune systems are not yet resistant.

Did you know?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

A model genetic system, the fern Ceratopteris richardii A model genetic system, the fern Ceratopteris richardii
The mammalian urinary system including the basic functional unit of the nephron. The mammalian urinary system including the basic functional unit of the nephron.
(b) A epiphytic plant growing on the branch of a tree. (b) A epiphytic plant growing on the branch of a tree.
The male reproductive system The male reproductive system
The conduction system of the heart. The conduction system of the heart.
The gastrointestinal system. The gastrointestinal system.
Video: Fractures Animation

For a complete list of videos, visit our video library