Students play the role of science detectives in an activity used to introduce the scientific method and the concept that blood is not identical and is identified by surface markers. Students must identify an unknown sample of "blood" by...

Students solve a crime by matching a suspect's blood type to physical evidence collected at the crime scene. In this forensic science instructional activity, students identify the different blood types. They explain how blood tests work.

The human immune system has various ways of responding to an infection caused by bacteria or viruses. Our bodies produce proteins (antibodies) that are highly specific for the infectious agent as a part of our "humoral" immune response....

In what ways does serological evidence help solve a crime? This comprehensive learning tutorial explores what information can be determined from a drop of blood and how blood typing is done. Learn what information we get from blood stain...

This site explains situations which call for blood transfusions and describes possible safety risks of this procedure. It describes how this procedure occurs and provides a discussion of possible blood substitutes.