Which of the Following Statements About the Heart Is Incorrect

Which of the following statements about the heart is incorrect?

A) Contraction of the chambers is referred to as diastole, and relaxation as systole.
B) The heart muscle consists of four chambers.
C) Deoxygenated blood returns from all parts of the body through the venous system.
D) The right ventricle pumps the blood through the pulmonary valve to the pulmonary artery and into the lungs.
E) Blood is ejected past the aortic valve into the aorta, which supplies the entire body through the arterial system.