Which of the following is True about the heart?____( ). A: The blood is pumped into the right ventricle and to the pulmonary artery to be sent to the lungs where carbon dioxide is removed and oxygen is added. B: The heart is roughly the size of the your fist. C: During the systole, oxygenated is pumped out of the right ventricle into the aorta and from there through the veins to all organs of the body. D: There are four chambers which are made up of several layers of smooth muscles.