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प्रश्न
Draw labelled diagram of internal structure of human heart.
Label right atrium, mitral valve, left ventricle and pulmonary semilunar valve.
Write a function of Eustachian and tricuspid valve found in human heart.
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उत्तर
- Eustachian valve guards the opening of the postcaval vein (inferior vena cava).
- The tricuspid valve is present in the right AV aperture and prevents backflow of blood, maintaining a unidirectional blood flow.
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संबंधित प्रश्न
Draw a sectional view of the human heart and label on it Aorta, Pulmonary arteries, Vena cava, Left ventricle.
Name the following:
The valve of right auriculo-ventricular aperture.
Name the following:
The first heart sound.
Explain the Term
Electrocardiogram (ECG)
‘Heart of heart’ is called ______
WBC defends the body from bacterial and viral infections.
A vein differs from the artery in having ______.
Mammalian lungs have enormous number of minute alveoli, which permits more ______.
Give reason:
Valves are present in the veins.
Write the exact location of the following:
Heart
