Blood Components by Dr. Dennis O'Neil Behavioral Sciences Department Palomar College, San Marcos, California Brief description of red cells, white cells, platelets, and plasma.

Blood Groups Author: Barbara Liang Wisc-Online.com "In this animated and interactive object, learners examine ABO blood antigens and Rh antigens and their compatibility." Copyright © Wisc-Onl

Blood Groups and Red Cell Antigens, National Center for Biotechnology Information, U.S. National Library of Medicine, A combination of text and images.

Overview of blood and blood components, Children's Hospital of Wisconsin, "Human blood consists of about 22 percent solids and 78 percent water." Visit the website for its components.

The Components of Blood and Their Importance, By ASHWebmaster, YouTube.com, Video length: 0:52.