« previous next »
« previous next »
 

Did you know?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

Did you know?

In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

Did you know?

The term pharmacology is derived from the Greek words pharmakon("claim, medicine, poison, or remedy") and logos ("study").

Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

Did you know?

Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

A cyanotic infant. Note the bluish tinge to the skin around the lips, chin, and nose A cyanotic infant. Note the bluish tinge to the skin around the lips, chin, and nose
Basal cell carcinoma, a frequent type of skin cancer that rarely metastasizes. Basal cell carcinoma, a frequent type of skin cancer that rarely metastasizes.
An electrocardiogram (ECG, EKG) is a commonly used procedure in which the electrical events associat An electrocardiogram (ECG, EKG) is a commonly used procedure in which the electrical events associat
Cardiac pacemaker. The pacemaker device is implanted beneath the skin near the heart, and the electr Cardiac pacemaker. The pacemaker device is implanted beneath the skin near the heart, and the electr
Hematoma. A hematoma around the right eye caused by an injury. A hematoma is the result of bleeding Hematoma. A hematoma around the right eye caused by an injury. A hematoma is the result of bleeding
Skin-associated lymphoid tissue (SALT). Skin-associated lymphoid tissue (SALT).
Video: Contraction cycle of a sarcomere

For a complete list of videos, visit our video library