« previous next »
« previous next »
 

Did you know?

The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

Women are 50% to 75% more likely than men to experience an adverse drug reaction.

Did you know?

There are more bacteria in your mouth than there are people in the world.

Did you know?

Over time, chronic hepatitis B virus and hepatitis C virus infections can progress to advanced liver disease, liver failure, and hepatocellular carcinoma. Unlike other forms, more than 80% of hepatitis C infections become chronic and lead to liver disease. When combined with hepatitis B, hepatitis C now accounts for 75% percent of all cases of liver disease around the world. Liver failure caused by hepatitis C is now leading cause of liver transplants in the United States.

Bones Bones
Bones of the shoulder. Bones of the shoulder.
Bones do not allow the X-ray beam to pass through them, resulting in an image of the bones on the ... Bones do not allow the X-ray beam to pass through them, resulting in an image of the bones on the ...
Fossils of hand and foot bones of Homo naledi Fossils of hand and foot bones of Homo naledi
Weak bones cause the spine to collapse over time Weak bones cause the spine to collapse over time
Sutural bones superior view Sutural bones superior view
Video: Lactation and Breast Feeding

For a complete list of videos, visit our video library