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17/02/2022 6:34 pm
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In humans, blood passes from the post caval to the diastolic right atrium of heart due to:
(a) Pressure difference between the post caval and atrium
(b) Pushing open the venous valves
(c) Suction pull
(d) Stimulation of the sino auricular node
1 Answer
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17/02/2022 6:35 pm
Correct answer: (a) Pressure difference between the post caval and atrium