The text boxes in the left panel have been placed in a random order. Restore the original order by dragging the text boxes from the left panel to the right panel.
b) The left ventricle pumps the blood from the left atrium out to the body, supplying all organs with oxygen-rich blood.
d) This blood is rich in oxygen.
a) The left atrium receives blood from the lungs.
c) The right ventricle pumps the blood from the right atrium into the lungs to pick up oxygen and remove carbon dioxide.