« previous next »
« previous next »
 

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).

Did you know?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

Did you know?

Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

Did you know?

Approximately 500,000 babies are born each year in the United States to teenage mothers.

Did you know?

No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.

Hydrocephalus. The figure on the left is a child with the enlarged ventricles of hydrocephalus. The Hydrocephalus. The figure on the left is a child with the enlarged ventricles of hydrocephalus. The
Lymphatic vessels (green) pick up excess tissue fluid, purify it in lymph nodes, and return it to th Lymphatic vessels (green) pick up excess tissue fluid, purify it in lymph nodes, and return it to th
Ribbon representation of the myosin S1 fragment (from coordinates supplied by Ivan Rayment Ribbon representation of the myosin S1 fragment (from coordinates supplied by Ivan Rayment
Signs and Symptoms of Shock Following a Crisis Situation Signs and Symptoms of Shock Following a Crisis Situation
Role-Playing a Situation in Which a Patient Is Frightened, Angry, or Anxious Role-Playing a Situation in Which a Patient Is Frightened, Angry, or Anxious
A variety of sugar substitutes is available to the consumer A variety of sugar substitutes is available to the consumer
Video: Hershey Chase Experiments

For a complete list of videos, visit our video library