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प्रश्न
The free edges of cuspid valves are attached to the papillary muscles of the heart by fibres are called ______.
विकल्प
chordae tendinae
columnae carneae
connecting fibres
autorhythmic fibres
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उत्तर
The free edges of cuspid valves are attached to the papillary muscles of the heart by fibres are called chordae tendinae.
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संबंधित प्रश्न
Explain with the help of a suitable diagram conducting system of human heart.
Explain the following:
Why is the SA node called the pace-maker of the heart?
Label the following diagram :

The diagram given below represents the human heart in one phase of its activity. Study the same and then answer the question that follow:
How many valves are closed in this phase?

Name an instrument which is used to hear heart sounds.
State the Function: Pulmonary artery
Multiple Choice Questions
The beating of the heart of man is heart on the left side, because:
‘Heart of heart’ is called ______
Draw the neat Labelled diagram of the internal structure of the human heart.
Given below is a diagram of the external features of the human heart. Study the figure and answer the questions that follows:
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- Label the guidelines shown as 1 to 6 in the figure.
- Write the important role of parts 5 and 6.
- Name the chamber of the heart which collects blood from the lungs through a blood vessel. Also write the name of the blood vessel.
- Write one structural and one functional difference between the blood vessels 4 and 5.
- What happens when there is a blockage in any coronary artery or any of their branches?

