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प्रश्न
______ is known as pacemaker of heart.
Pacemaker of heart is _________.
पर्याय
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
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:
Name the parts numbered 1 to 6.
Given alongside is a highly diagrammatic sketch of the internal structure of the human heart:
(i) Name the parts numbered 1-11.
(ii) What is the main difference in the quality of blood contained in parts 6 and 7?
For which of the following reason the left ventricle of human heart has its wall thicker than the right ventricle?
Which of the following acts as a pace setter of heart?
Fill in the blanks of the following paragraph using just two words – arteries and veins.
___(a)___ carry oxygen-rich blood from the heart to all parts of the body and ___(b)___ carry carbon dioxide-rich blood from all parts of the body back to the heart. ___(c)___ have thin walls and ___(d)___ have thick elastic walls. Blood flows at high pressure in ___(e)___. Valves are present in ___(f)___ which allow blood to flow only towards the heart. ___(g)___ divide into smaller vessels. These vessels further divide into extremely thin tubes called capillaries. The capillaries join up to form ___(h)___.
The rate of heartbeat is determined by ______.
Give scientific reason.
Human heart is called as myogenic and autorhythmic.
Explain the term Fossa ovalis.
The ______ have thin and less muscular ______ and have ______ to prevent back flow of ______.
