« previous next »
« previous next »
 

Did you know?

This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.

Did you know?

A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

Did you know?

Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.

Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

Skeletons of a human and an elephant Skeletons of a human and an elephant
Levels of Ghrelin in Human Blood Plasma Levels of Ghrelin in Human Blood Plasma
National Guardsmen firing into a crowd of antiwar protesters at Kent State University killed four ... National Guardsmen firing into a crowd of antiwar protesters at Kent State University killed four ...
The traditional human karyotypes derived from a normal female and a normal male The traditional human karyotypes derived from a normal female and a normal male
Humulin, a recombinant form of human insulin Humulin, a recombinant form of human insulin
All human organ systems and their functions (Part 1) All human organ systems and their functions (Part 1)
Video: Bulk flow - factors that influence bulk flow

For a complete list of videos, visit our video library