Ask unlimited questions for free
The human body produces and destroys 15 million blood cells every second.
Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.
Persons who overdose with cardiac glycosides have a better chance of overall survival if they can survive the first 24 hours after the overdose.
The longest a person has survived after a heart transplant is 24 years.
There are approximately 3 million unintended pregnancies in the United States each year.
For a complete list of videos, visit our video library