In human, blood passes from the inferior vena cava to the diastolic right atrium of heart due to

stimulation of the sino auricular node.

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pressure difference between the Inferior vena cava and atrium

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pushing open of the venous valves.

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suction pull.

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Solution

The correct option is B
pressure difference between the Inferior vena cava and atrium

Diastolic right atrium has less pressure and inferior vena cava post has high pressure, thus blood moves from this vein into the right atrium.

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Similar questions

\begin{matrix} Column I & Column II 1.Right atrium & i. Receives oxygenated blood from the lungs 2.Left atrium & ii. Passes the blood to aorta 3.Right ventricle & iii. Receives deoxygenated blood from the superior vena cava and inferior vena cava 4.Left ventricle & iv. Passes the blood to lungs through the pulmonary artery \end{matrix}

Match the following

Location valve

1) Opening of coronary sinus a) tricuspid valve

2) The base of pulmonary aorta b) bicuspid valve

3) The opening of inferior vena cava c) semilunar valve

4) Bet left atrium and left ventricle d) thebesian valve

5) Bet right atrium and right ventricle e) eustachian valves

\begin{matrix} Column I & Column II 1.Right atrium & i. Receives oxygenated blood from the lungs 2.Left atrium & ii. Passes the blood to aorta 3.Right ventricle & iii. Receives deoxygenated blood from the superior vena cava and inferior vena cava 4.Left ventricle & iv. Passes the blood to lungs through the pulmonary artery \end{matrix}

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