The condition of the circulatory system in which the circulatory system is contractions in the bloodstream is known as a systolic. A syste is the blood pressure of the heart's Chambers during contractions. Now, it is during this contraction in the bicep that the blood from the o2 - rich left chamber is pumped out to the aorta, while the blood from the right cubicle rich in co2 is pumped to the lungs through the pulmonary artery. Also, when the circulatory system is relaxed, known as the diastolic naman, which is the blood pressure on the heart's colonnade to close and the heart's chamber to expand (relaxation).