« previous next »
« previous next »
 

Did you know?

Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.

Did you know?

It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

Did you know?

Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.

Did you know?

The human body produces and destroys 15 million blood cells every second.

Did you know?

Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

Polycystic kidney disease. Notice the presence of numerous fluid-filled sacs, or cysts, in these kid Polycystic kidney disease. Notice the presence of numerous fluid-filled sacs, or cysts, in these kid
kidneys kidneys
Complete the table by dragging the white labels to the gray targets, the blue la Complete the table by dragging the white labels to the gray targets, the blue la
Substances Filtered, Reabsorbed, and Excreted by the Kidneys Substances Filtered, Reabsorbed, and Excreted by the Kidneys
Comparison of damaged and healthy kidneys. Comparison of damaged and healthy kidneys.
The urinary system: Relationship of the kidneys to the vertebrae The urinary system: Relationship of the kidneys to the vertebrae
Video: Muscle cell structures - actin, myosin and titin filaments

For a complete list of videos, visit our video library