Dif circulatory limphathicOnline version What's the diference between the circulatory and the limphatic systems? by Secundaria Digital 1 Circulatory system 2 Lymphatic system It's pumped by the hearth. It's bidirectional. It carries blood, which is formed by blood plasma, leukocytes, erythrocytes and platelets. It carries lymph, which if formed by limph plasma and lymphocytes. It's not pumped due to the direct action of the hearth. It's unidirectional.