1. Blood Typing

3. How does the heart work? What did William Harvey believe? What did people believe before the 17 th century?

8. Who can give blood to who? ___ Universal _______ O, A, B, AB Both Anti A and Anti-B Neither A or B _____ ___, ___, ___, ___ Universal Receiver AB Neither __________________ A and B AB O, ___ B, ___ Anti- ___ B ____ O, A A, AB Anti-B A A Can Receive Blood from? Can Give blood to? Antibodies-react to antigens like a foreign body Antigens Blood Type

9. How does a lab tech blood type? ____? Yes Yes O NO No _____? Yes No A No Agglutination B Well A Well Blood Type Reaction Agglutination-Clump yes or No?

10. What if we had a shortage of blood? What do you think scientists are currently researching?