The lowest blood pressure in the arteries occurs during ventricular relaxation and is called the ______.Multiple choice question.diastolic pressurepulse pressureblood pressuresystolic pressure

Systolic pressure is the arterial blood pressure attained during what phase of the cardiac cycle?Multiple choice question.ventricular contractionatrial contractionventricular relaxationatrial relaxatio

For blood to be ejected from the ventricles, ventricular pressures must be _____ pressures in the pulmonary trunk and aorta.Multiple choice question.greater thanthe same asless than

Arteries are strong, elastic vessels because they have to transport blood ______.Multiple choice question.away from the heartunder relatively high blood pressurethrough two circuits (pulmonary and systemic)under relatively low blood pressure

The partial pressure of oxygen in the tissue fluid is lower than that of the blood because the tissue cells are using oxygen as a reactant in Blank______.Multiple choice question.external respirationfermentationcellular respirationinternal respiration

Oxygen diffuses out of the blood into the tissues because the partial pressure of oxygen of tissue fluid is Blank______ that of blood.Multiple choice question.lower thanhigher thanthe same as