PRESENTATION OUTLINE
Blood cells flow to every cell in your body. Blood flows away from your heart in arteries and flows away in veins.
The cells most important waste product is carbon dioxide. Blood returning from your body goes to the right side of your heart. They go to your right ventricle.
When ypur heart pumps the right atrium squeezes blood to your right ventricle and it squeezes the blood to your lungs.
The red blood cells fLow through your air sacs that are touching your lungs. The carbon dioxide goes in your lungs and is exhaled.
