« previous next »
« previous next »
 

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?

Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

Did you know?

The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

Did you know?

There are more sensory neurons in the tongue than in any other part of the body.

Did you know?

Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.

Eukaryotic cell without labels Eukaryotic cell without labels
Reverse tailor position Reverse tailor position
Complete the worksheet Complete the worksheet
The ras proto-oncogene encodes a signal-transduction protein that processes signals for cell divisio The ras proto-oncogene encodes a signal-transduction protein that processes signals for cell divisio
A thin cleft, called the synapse, separates one cell from another. A thin cleft, called the synapse, separates one cell from another.
Deoxynucleotides (top) have an OH group at the position in the deoxyribose molecule Deoxynucleotides (top) have an OH group at the position in the deoxyribose molecule
Video: Electrocardiogram Examination

For a complete list of videos, visit our video library