Coordinated contractions of cardiac muscle cells in the heart propel blood out of the atria and ventricles to the blood vessels of the left/body/systemic and right/lungs/pulmonary circulatory systems.This complex mechanism illustrates systole of the heart.oordinated contractions of cardiac muscle cells in the heart propel blood out of the atria and ventricles to the blood vessels of the left/body/systemic and right/lungs/pulmonary circulatory systems.
The Union army was intent on gaining control of the Mississippi River in order to divide the Confederacy and weaken its economy. Taking control of the Mississippi prevente â¦ d the western Confederate states of Arkansas, Texas, and Louisiana from providing men and material for the Confederate army.
Asker's rating. 1  In 1862, France had claimed the entire Mississippi River Valley then Spain had claimed the land west of the Mississippi River Valley in 1763, which they later lost under pressure where France reacquired their territories in 1800. 2  There were a multitude of claims to land west of the Mississippi. 3  Spain.