Baroreceptor reflex review Fill in the following flowchart to demonstrate the baroreceptor reflex to increase blood pressure as you change positions from lying down to standing up. Venous return (as you stand up) EDV Stretch Strength of contraction SV CO BP Stretch in arteries Firing of baroreceptors Impulses sent to cardiac center and vasomotor center Stimulate/inhibit vasomotor center Blood vessel diameter Resistance Stimulate/inhibit cardioacceleratory center Heart rate Strength of contraction SV CO BP Increase Decrease
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When you stand up from lying down, gravity causes blood to pool in your lower extremities, which decreases venous return to the heart. Show more…
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