Ask unlimited questions for free
Human kidneys will clean about 1 million gallons of blood in an average lifetime.
Medication errors are more common among seriously ill patients than with those with minor conditions.
Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.
Cyanide works by making the human body unable to use oxygen.
Blood is approximately twice as thick as water because of the cells and other components found in it.
For a complete list of videos, visit our video library