"Although all blood is made of the same basic elements, not all blood is alike. In fact, there are eight different common blood types, which are determined by the presence or absence of certain antigens – substances that can trigger an immune response if they are foreign to the body. Since some antigens can trigger a patient's immune system to attack the transfused blood, safe blood transfusions depend on careful blood typing and cross-matching." Click here for more information.
Circulatory and Respiratory System
Heart Anatomy
Digestive System
Parts of the Skeleton Song
Gr. 9-12: Ask Us/Demande Moi
Gr. 9-12: How do I start my research?
Gr. 9-12: How do I cite my sources?
What is a Stereo Microscope?
A low power or stereo microscope typically employs objective lenses of 50x or less. It is used to view specimens that are visible to the naked eye such as insects, crystals, circuit boards and coins. Click here for more information.