<prompt> Which of the following segments of the circulatory system has the highest velocity of blood flow?AoaAeriesCapillariesVenules  <response>: The velocity of blood flow within each segment of the circulatory system is inversely propoional to the total cross-sectional area of the segment. Because the aoa has the smallest total cross-sectional area of all circulatory segments, it has the highest velocity of blood flow 