« previous next »
« previous next »
 

Did you know?

Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

Did you know?

The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

Did you know?

The average adult has about 21 square feet of skin.

Did you know?

Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

Did you know?

Green tea is able to stop the scent of garlic or onion from causing bad breath.

Comparison of breast cancer and fibrocystic disease. (A) Breast with a malignant tumor growing in th Comparison of breast cancer and fibrocystic disease. (A) Breast with a malignant tumor growing in th
Erythema infectiosum, Fifth disease Erythema infectiosum, Fifth disease
Dopamine Transporters, Methamphetamine Abuse, and Parkinson’s Disease Dopamine Transporters, Methamphetamine Abuse, and Parkinson’s Disease
Drugs for Peptic Ulcer Disease Drugs for Peptic Ulcer Disease
A) Male body louse. (Courtesy of the Centers for Disease Control and Prevention/Frank Collins, Ph.D. ... A) Male body louse. (Courtesy of the Centers for Disease Control and Prevention/Frank Collins, Ph.D. ...
Disease Vector Icon Disease Vector Icon
Video: Retina

For a complete list of videos, visit our video library