What I know about the heart

• There are four chambers of the heart the right and left ventrical and right ad left atrium 
•  Excirse helps srtengthen your cardio vasculor
• There is blue blood and red blood
• Red carries oxyegen 
• Blue carries electricity and food
• When you excersise your heart pumps twice as  fast
• The Blue blood goes to your lungs 
•  The red blood goes the red blood goes all the way around your body
• Blood is made from bone
• Eating too much fatty food is how you get a heart attack