« previous next »
« previous next »
 

Did you know?

The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

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?

The horizontal fraction bar was introduced by the Arabs.

Did you know?

Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

Did you know?

The cure for trichomoniasis is easy as long as the patient does not drink alcoholic beverages for 24 hours. Just a single dose of medication is needed to rid the body of the disease. However, without proper precautions, an individual may contract the disease repeatedly. In fact, most people develop trichomoniasis again within three months of their last treatment.

Erythrocytes (red blood cells) moving through a capillary in single file. Erythrocytes (red blood cells) moving through a capillary in single file.
Hematuria. An analysis of urine is performed to evaluate kidney function. In this illustration, the Hematuria. An analysis of urine is performed to evaluate kidney function. In this illustration, the
Hemodialysis. The process of hemodialysis replaces the kidney function of blood filtration by forcin Hemodialysis. The process of hemodialysis replaces the kidney function of blood filtration by forcin
Blood Stem cell classification Blood Stem cell classification
Blood vessels: (A) normal artery; (B) constriction; (C) arteriosclerosis and atherosclerosis. Blood vessels: (A) normal artery; (B) constriction; (C) arteriosclerosis and atherosclerosis.
Blood Supply to the Lungs Blood Supply to the Lungs
Video: Angiotensin II - kidneys, adrenal glands and dehydration

For a complete list of videos, visit our video library