« previous next »
« previous next »
 

Did you know?

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

Did you know?

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

Did you know?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

Did you know?

All patients with hyperparathyroidism will develop osteoporosis. The parathyroid glands maintain blood calcium within the normal range. All patients with this disease will continue to lose calcium from their bones every day, and there is no way to prevent the development of osteoporosis as a result.

Did you know?

Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

A comparison between chromosomes found in a normal human cell and a cancer cell from the same person A comparison between chromosomes found in a normal human cell and a cancer cell from the same person
Illustration showing how the primary breast tumor metastasized through the lymphatic and blood vesse Illustration showing how the primary breast tumor metastasized through the lymphatic and blood vesse
Cervical cancer (a) Top view of the uterus showing the presence of a tumor in the wall of the cervix Cervical cancer (a) Top view of the uterus showing the presence of a tumor in the wall of the cervix
Breast milk bacteria Breast milk bacteria
Oxytocin and breast-feeding. Oxytocin and breast-feeding.
Lung Cancer Infographic Lung Cancer Infographic
Video: Simple Diffusion - Ion transport

For a complete list of videos, visit our video library