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प्रश्न
Valves are present in ______.
पर्याय
artia, veins and ventricles
SA node, AV node and ateries
pacemaker, veins and arteries
All of the above
MCQ
रिकाम्या जागा भरा
उत्तर
Valves are present in artia, veins and ventricles.
Explanation:
The valve is a tissue flap that only allows liquid to flow in one direction. A tricuspid valve protects the auriculo-ventricular apertures, which are located where the right atrium enters into the right ventricle. A bicuspid or mitral valve prevents the left atrium from entering the left ventricle. Semilunar valves in veins stop blood from flowing backward.
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