« previous next »
« previous next »
 

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

Did you know?

More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.

Did you know?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

Did you know?

On average, the stomach produces 2 L of hydrochloric acid per day.

Body Cavities Body Cavities
Normal artery versus plaque formation Normal artery versus plaque formation
The hypothalamus helps regulate body temperature. The hypothalamus helps regulate body temperature.
Paper disks containing various antibiotics are placed on a bacterial culture. If the bacteria are ... Paper disks containing various antibiotics are placed on a bacterial culture. If the bacteria are ...
Use palms and fingers to brush off along the back of the body from shoulders to feet with long ... Use palms and fingers to brush off along the back of the body from shoulders to feet with long ...
Types of Bacteria Types of Bacteria
Video: Cellular slime mold life cycle Animation

For a complete list of videos, visit our video library