In humans, blood passes into the right atrium of heart during diastole due to:

Biology · NEET · NTA ExamsBody Fluids and Circulation

In humans, blood passes into the right atrium of heart during diastole due to:
  1. pushing open of the venous valves
  2. suction pull
  3. stimulation of the SA node
  4. pressure difference between the vena cava and atrium

Answer

(D) pressure difference between the vena cava and atrium

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