Veins carry blood that is higher in waste products and carbon dioxide back to the heart and lungs.
(Veins; carry; blood that is higher in waste products and carbon dioxide back to the heart and lungs) (blood; is; higher; L:in waste products and carbon dioxide back to the heart and lungs)
Veins blood
carry is
blood that is higher in waste products and carbon dioxide back to the heart and lungs
higher L:in waste products and carbon dioxide back to the heart and lungs