« previous next »
« previous next »
 

Did you know?

Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

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?

Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.

Did you know?

The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

Did you know?

Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

Wombat burrow and scat, Narawntapu National Park, Tasmania Wombat burrow and scat, Narawntapu National Park, Tasmania
Indian paper wasp (Ropalidia) colony with eggs Indian paper wasp (Ropalidia) colony with eggs
A skin paste A skin paste
Jaundice seen in the eyes and the skin of a patient with hepatitis A. Jaundice seen in the eyes and the skin of a patient with hepatitis A.
Using both hands, gently but firmly grasp the skin over a spot on the upper back, and lift the skin ... Using both hands, gently but firmly grasp the skin over a spot on the upper back, and lift the skin ...
Breakfast eggs with avocado Breakfast eggs with avocado
Video: Structures that affect circulation - heart and systolic/diastolic BP

For a complete list of videos, visit our video library