Blood Donations
January 22, 2025
According to the Red Cross, nearly 5000 units of platelets, 6500 units of plasma, and 29,000 units of red blood cells are needed daily in the United States. Technology and medical advances have not yet created a substitute for human blood, so people who need blood rely on blood donors. In this Brain Builder, you will learn about the composition of blood and its characteristics, as well as what happens before, during, and after blood donation. …