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NEET2008ZoologyBody Fluids and CirculationActual

In humans, blood passes from the post caval to the diastolic right atrium of heart due to

Options

  1. APressure difference between the post caval and atrium
  2. BPushing open of the venous valves
  3. CSuction pull
  4. DStimulation of the sino auricular node

Correct answer

A. Pressure difference between the post caval and atrium

Step-by-step solution

Blood always flows from higher pressure towards the lower pressure.

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