« previous next »
« previous next »
 

Did you know?

The horizontal fraction bar was introduced by the Arabs.

Did you know?

There are more bacteria in your mouth than there are people in the world.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

Did you know?

People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.

Taking a Patient's Blood Pressure Taking a Patient's Blood Pressure
Physiological Factors Affecting Blood Pressure Physiological Factors Affecting Blood Pressure
Valves in veins open to permit blood flow, close to prevent backflow. Valves in veins open to permit blood flow, close to prevent backflow.
Insulin, glucagon, and blood glucose. Insulin, glucagon, and blood glucose.
Primary factors affecting blood pressure Primary factors affecting blood pressure
ABO Blood Types ABO Blood Types
Video: Muscle cell structures - actin, myosin and titin filaments

For a complete list of videos, visit our video library