« previous next »
« previous next »
 

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Did you know?

Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

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?

Famous people who died from poisoning or drug overdose include, Adolf Hitler, Socrates, Juan Ponce de Leon, Marilyn Monroe, Judy Garland, and John Belushi.

Movements of the Body Movements of the Body
Most newer vehicles have a triangle symbol indicating the recommended hoisting lift location. Most newer vehicles have a triangle symbol indicating the recommended hoisting lift location.
Good hand and body mechanics when applying thumb pressure to the back. Good hand and body mechanics when applying thumb pressure to the back.
An Enzyme in Action Enzymes speed up reactions in your body An Enzyme in Action Enzymes speed up reactions in your body
Your Body Works to Metabolize Alcohol Your Body Works to Metabolize Alcohol
Body plan of an aquatic snail and micrograph of a radula. Body plan of an aquatic snail and micrograph of a radula.
Video: Protein Structure - Primary, Secondary, Tertiary and Quaternary

For a complete list of videos, visit our video library