« previous next »
« previous next »
 

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Did you know?

Over time, chronic hepatitis B virus and hepatitis C virus infections can progress to advanced liver disease, liver failure, and hepatocellular carcinoma. Unlike other forms, more than 80% of hepatitis C infections become chronic and lead to liver disease. When combined with hepatitis B, hepatitis C now accounts for 75% percent of all cases of liver disease around the world. Liver failure caused by hepatitis C is now leading cause of liver transplants in the United States.

Did you know?

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

Did you know?

Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).

Did you know?

Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

Crossing over creates heteroduplex DNA Crossing over creates heteroduplex DNA
Crossing over creates heteroduplex DNA Crossing over creates heteroduplex DNA
Tulip fields Tulip fields
The piston creates a tumbling force as it moves upward. The piston creates a tumbling force as it moves upward.
A Healthy Daily Food Plan A variety of foods from each group creates a well-balanced diet A Healthy Daily Food Plan A variety of foods from each group creates a well-balanced diet
Physics homework related to electric fields Physics homework related to electric fields
Video: Molecules, Membrane Permeability and Structure

For a complete list of videos, visit our video library