1. The Circulatory System Chapter 4

2.  AKA—The Cardiovascular System  The system that: What is the circulatory system?  delivers needed substances to cells  carries wastes away from cell  helps regulate body temperature  blood also helps fight disease (p.102)

3.  The circulatory system has 4 functions:  1. deliver materials  2. remove wastes  3. regulate body temperature  4. fight disease In a nutshell…

4. The Cardiovascular System Like roads that link all the parts of a town, the cardiovascular system links all the parts of the body.

5.  Heart  Atrium  Ventricle  Pacemaker  valve  Blood vessels  Arteries  Veins  Capillaries  aorta Structures of the Circulatory system

6. The Heart of it All

7. The Path Ways Two Loops The heart can pump 5 liters of blood through the two loops each minute. What is the path the blood travels?