« previous next »
« previous next »
 

Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

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?

This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.

The internal structures of the outer, middle, and inner ear. The internal structures of the outer, middle, and inner ear.
The adrenal glands. These glands sit on top of each kidney. Each adrenal is subdivided into an outer The adrenal glands. These glands sit on top of each kidney. Each adrenal is subdivided into an outer
Saturn and Its Outer, Giant Ring Saturn and Its Outer, Giant Ring
Thumb press Inner and Outer Bladder meridians in upper back between shoulder blades; press into ... Thumb press Inner and Outer Bladder meridians in upper back between shoulder blades; press into ...
Lipid composition in the outer leaflet (green) and inner leaflet (gold) of the plasma membrane Lipid composition in the outer leaflet (green) and inner leaflet (gold) of the plasma membrane
Outer Wall of The Flavian Amphitheater (Colosseum) Outer Wall of The Flavian Amphitheater (Colosseum)
Video: Chemical Synapse Animation

For a complete list of videos, visit our video library