« previous next »
« previous next »
 

Did you know?

There are approximately 3 million unintended pregnancies in the United States each year.

Did you know?

Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

Did you know?

In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

Did you know?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

Synthesis of the active hormone formed from vitamin D or its precursor in skin. Synthesis of the active hormone formed from vitamin D or its precursor in skin.
Bone Bone
The spongy bone in the top of the femur changes density and organization during growth. The spongy bone in the top of the femur changes density and organization during growth.
Bone Formation Bone Formation
Fracture and Repair of Bone - Pott Fracture and Repair of Bone - Pott
Condensing the Nuclear Material Condensing the Nuclear Material
Video: Bond types - Atomic structure and basis of bonds

For a complete list of videos, visit our video library