Blood types and transfusions are explained in reading passages at the top of the worksheet. A chart of blood type compatibility is also provided. Biology students answer comprehension questions and then exercise critical-thinking skills...

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.

In this life science worksheet, students complete a crossword puzzle using 8 clues. They are given a word bank of terms related to the human body systems, and the topic of inheritance.

In this biology learning exercise, students identify and locate various vocabulary terms related to the lymphatic and immunity systems of the body. There are 42 biology terms located in the word search.