« previous next »
« previous next »
 

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.

Did you know?

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

Did you know?

There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

Concept of Death by Children Concept of Death by Children
In this cartoon, Boss Tweed welcomes cholera—a skeletal figure of death carrying a handbag from “Asi In this cartoon, Boss Tweed welcomes cholera—a skeletal figure of death carrying a handbag from “Asi
Blocked Artery Leading to Stroke Blocked Artery Leading to Stroke
Major Causes of Death in U.S by Age Group Major Causes of Death in U.S by Age Group
An X-ray showing pneumonia. An X-ray showing pneumonia.
How to solve rate problems leading to fractional equations (Question 3) How to solve rate problems leading to fractional equations (Question 3)
Video: Protein digestion - stomach & small intestine

For a complete list of videos, visit our video library