Fill in the Blanks Baroreceptor reflex flow chartOnline version baroreceptor reflex by Janna Kenney 1 increase pressur arterial Increase in blood volume causes in 2 baroreceptor increase increase arterial in arterial pressure causes firing of 3 sympathetic decreases Increased firing of baroreceptors outflow to heart , arterioles & veins . 4 outflow Increased parasympathetic increases firing of baroreceptors to the hear t 5 sensor pressure high Baroreceptors are