Role of pace-maker is: Circulatory System Physiology Mcqs September 15, 2019 BILAL KHATTAK0 A.To increase heart beat B.To decrease the heart beat C.To initiate the heart beat D.To control the blood supply to heartRelated Mcqs:A pace-maker is found in the:Pace-maker in heart of man influences:What will happen when a person of Kerala goes to Mount Everest:Hypoxia in our body would:Nervous inervation of heart is primarily meant for:During diastole the:Blood pressure is the force which:Role of typhlosole in Pheretima is to:Heart shows rhythmic contractions and expansions withour pause and fatigue which may be defined asRegulation of heart beat in mammals is only due to: