« previous next »
« previous next »
 

Did you know?

Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

Did you know?

There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

Did you know?

In 1864, the first barbiturate (barbituric acid) was synthesized.

Did you know?

Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

Did you know?

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

Adapoids and omomyoids had longer snouts and are the first “true” primates. Adapoids and omomyoids had longer snouts and are the first “true” primates.
The Masses, a leading Socialist magazine, featured drawings by artists, including John Sloan, as wel The Masses, a leading Socialist magazine, featured drawings by artists, including John Sloan, as wel
Skilled nursing facilities provide care for patients requiring longer stays than hospitals allow. Skilled nursing facilities provide care for patients requiring longer stays than hospitals allow.
Frequent dining on fast food, which tends to be higher in fat and carbohydrates, may be convenient ... Frequent dining on fast food, which tends to be higher in fat and carbohydrates, may be convenient ...
People are living longer today than in previous decades People are living longer today than in previous decades
Finding the length given total distance and distance longer than other point Finding the length given total distance and distance longer than other point
Video: Major Elements in Biological Molecules: Nucleic acids

For a complete list of videos, visit our video library