« previous next »
« previous next »
 

Did you know?

Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Did you know?

Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.

Did you know?

Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).

Did you know?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

Bottom-up control versus top-down control. Bottom-up control versus top-down control.
The ossicles of the middle ear along with the oval window and tympanic membrane. The ossicles of the middle ear along with the oval window and tympanic membrane.
Display piece, Yoruba culture. Display piece, Yoruba culture.
The WISER entry for hydrogen cyanide (bottom). Useful information includes detailed health ... The WISER entry for hydrogen cyanide (bottom). Useful information includes detailed health ...
Income per Capita versus Income of the Bottom Quintile Income per Capita versus Income of the Bottom Quintile
Display of Canapés Display of Canapés
Video: Electrical Conduction System of the Heart

For a complete list of videos, visit our video library