Welcome to the module on the Circulatory System.

At the end of this module you should: 
1. Be able to list the parts of the circulatory system. 
2. Understand the functions of the blood and what blood contains. 
3. Know the functions of the parts of blood.  
4. Know the function of the heart and how it interacts with the other body systems. 
5. Be able to indentify the structures of the heart. 
6. Be able to explain directions of blood flow around the body. 
7. Understand how exercise effects the heart. 
8. Know what a pulse is and how to measure it. 
9. Know that certain factors can affect the workings of the heart.