If you abruptly stand up blood is temporarily shifted away

Last updated: 6/21/2023

If you abruptly stand up blood is temporarily shifted away from your head neck and arms towards your torso and legs As a result the carotid baroreceptors sense hypotension and therefore OA increase parasympathetic activity to the pacemaker of your heart A B and C OC increase sympathetic activity to your heart muscle OB increase sympathetic activity to your blood vessels OB and C