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Body Fluids and Its Circulation question

2008 · Q9
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Body Fluids and Its Circulation question

2008 · Q9

NEETBiologyBody Fluids and Its CirculationMCQ+4 / −1
In humans, blood passes from the post caval to the diastolic right atrium of heart due to
  1. A
    stimulation of the sino auricular node
  2. B
    pressure difference between the post caval and atrium
  3. C
    pushing open of the venous valves
  4. D
    suction pull.
View written solutionFree

Correct answer: B

Due to the pressure difference between the post caval and atrium, the blood passes from the post caval to the diastolic right atrium. Diastolic right atrium has less pressure and post caval has high pressure, thus blood moves from post caval to right atrium.

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