Interactive Links




Visit this site for a list of normal levels established for many of the substances found in a sample of blood. Serum, one of the specimen types included, refers to a sample of plasma after clotting factors have been removed. What types of measurements are given for levels of glucose in the blood?


Play a blood typing game on the Nobel Prize website to solidify your understanding of blood types.

 blood doping

When cyclist Lance Armstrong admitted he used performance enhancing drugs, the practice of blood doping hit the media spotlight. But how exactly does it boost performance? Experts at Mayo Clinic explore the science behind blood doping in the following video.

Watch this video to see doctors discuss the dangers of blood doping in sports. What are the some potential side effects of blood doping?