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प्रश्न
State the Function: Semilunar valves of the heart
उत्तर
They preyent the back flow of blood from the pulmonary artery and aorta into the heart.
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संबंधित प्रश्न
Sketch and label the ventral view of the human heart.
What are the components of the transport system in human beings? What are the functions of these components?
Choose the correct answer:
The mammalian heart is ___________
The figure below represents the internal structure of a mammalian heart and the associated blood vessels.
(i) (a) Name each of the structures labeled 1, 2, 3, 4, 5, 6, 7 and 8.
(b) State the function of each of the structures 5, 6, 7, and 8.
(ii) (a) State the function of the heart as an entire organ.
(b) Why are the walls of the left ventricle more muscular than the right?
Draw diagram of conducting system of human heart. Label SA node and bundle of His.
Blood capillaries show the presence of ______
Which of the following acts as a pace setter of heart?
Left atrium : pulmonary vein : right ventricle : ____________.
The rate of heartbeat is determined by ______.
Give reason:
Valves are present in the veins.
