Review your knowledge of the cardiovascular system by filling in the blanks and answering the questions below. Refer to your textbook if necessary.

1. The cardiovascular system consists of the and the blood vessels. Name and describe the three major types of blood vessels.
   
   1. 
      
      
   2. 
      
      
   3. 
      
      
   
   
2. Name and define the two separate circulatory systems.
   
   1. 
      
      
   2. 
      
      
   
   
3. What changes occur when blood reaches the lungs?
   
   
   
4. About how much blood does each person have?
   How often does the total volume of blood circulate through the system?
   
   
5. How is the heart supplied with oxygenated blood?
   
   
   
6. Describe the electrical system that controls the heartbeat.
   
   
   
7. Trace the path of blood through the cardiorespiratory system by filling in the blanks.
   

Body/organs
Right ventricle
Lungs
Pulmonary veins

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