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प्रश्न
______ is known as pacemaker of heart.
Pacemaker of heart is _________.
विकल्प
SA node
AV node
His bundle
Purkinje fibers
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उत्तर १
SA node is known as pacemaker of heart.
उत्तर २
Pacemaker of heart is SA node.
संबंधित प्रश्न
Multiple choice question. Tick (✓) the correct choice:
The heartbeat is measured by an instrument called
- thermometer
- sphygmomanometer
- stethoscope
- none of the above
Name the following:
The phase of the cardiac cycle in which auricle contracts.
The diagram given below represents the human heart in one phase of its activity. Study the same and then answer the question that follow:
Name the parts numbered 1 to 6.
Draw the diagram external features of the heart.
The phase of contraction of heart is termed as ______.
Why are the walls of the left ventricle thicker than the other chambers of the heart?
Blood capillaries show the presence of ______
Define the following term:
Heart
Write the exact location of the following:
Heart
Match the valves of human heart in column I with the respective opening they guard in column II and select the correct option.
| Column I | Column II | ||
| i. | Eustachian valve | a. | Opening of pulmonary aorta |
| ii. | Thebesian valve | b. | Left atrioventricular aperture |
| iii. | Mitral valve | c. | Opening of inferior vena cava |
| iv. | Semilunar valve | d. | Opening of coronary sinus |
