Directions: Let’s track the path of blood through the heart. Start with blood entering the right side of the heart. Answer the following, write your answers in your notebook.


1. Which chamber receives blood from all the body veins? .


2. The blood in the right ventricle is high in (oxygen OR carbon dioxide)

3. and low in . (oxygen OR carbon dioxide)

4. The body use this blood. (can OR cannot)

5. Where must this blood go to get a fresh supply of oxygen? .

6. a) When the right ventricle contracts, the valve between the upper and lower chambers is . (open OR closed)

7. Blood pumped out of the right ventricle goes . (to the body OR to the lungs)

8. In the lungs, the blood gives up it’s . and picks up (oxygen OR carbon dioxide

9. .(oxygen OR carbon dioxide)


10. Where must the blood go before it can be sent to the entire body? .​