Curated OER
The Circulatory System
Compare a variety of animals' circulatory systems to the human circulatory system. Paul Andersen uses his SMART Board to show the differences between two, three, and four chamber hearts, focusing on the human heart.
Curated OER
How Does Blood Clot?
Our bodies are designed so wonderfully! When we get a cut, several elements are right on hand to help your blood clot. Platelets, fibrin, and other clotting factors are floating around in our vessels and become sticky when they need to...