Regulation of heart beat in mammals is only due to:

Circulatory System Physiology Mcqs
BILAL KHATTAK0

A.Presence of excess oxygen into blood
B.Presence of pace-maker in the heart
C.Presence of thyroxine in the blood
D.Volume of blood in the system

Related Mcqs:

  1. Which of these structures is respobsible for conducting heart beat in rabbit’s heart:
  2. Formation of fat from glucose begins in order to:
  3. The relaxation of heart during heart beat is called:
  4. During diastole the:
  5. Blood pressure is the force which:
  6. Role of pace-maker is:
  7. Regulation of body temperature in a homiotherms during high environmental temperature would involve:
  8. Blood which heart pumps to lungs is__________??
  9. Heart beat in man is initiated by:
  10. Heart beat is under the control of:

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