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Body Fluids and Its Circulation question

2022 · Q78
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Body Fluids and Its Circulation question

2022 · Q78

NEETBiologyBody Fluids and Its CirculationMCQ+4 / −1

Which one of the following statements is correct?

  1. A
    The atrio-ventricular node (AVN) generates an action potential to stimulate atrial contraction
  2. B
    The tricuspid and the bicuspid valves open due to the pressure exerted by the simultaneous contraction of the atria
  3. C
    Blood moves freely from atrium to the ventricle during joint diastole.
  4. D
    Increased ventricular pressure causes closing of the semilunar valves.
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