Chambers

Atria Room or entrance left atrium right atria it’s where the blood comes in

Right Atrium receives blood because it’s on the right side it has no oxygen

Left Atrium Takes in oxygenated blood to feed the heart with its oxygen.

Ventricles “Belly” make up most of the hollowness of the heart. They push the blood out of the heart.

Right Ventricle - sends blood without oxygen without oxygen to the lungs

Left Ventricle Sends the oxygenated blood everywhere else

Valves there is four they prevent blood from back flowing.

Tricuspid Valve tri means 3 cusp means points it prevents blood from going to the right ventricle into the right atrium.

Pulmonary Valve Pulmo lungs makes sure the blood doesn’t go back into the right ventricle

Mitral valve Prevents blood from going back from the left ventricle into the left atrium.

Aortic Valve Prevents blood from coming back into the left ventricle once it pushes it out.

Veins carry blood to the heart

Vena Cavas - carry blood to the right atrium.