explain peacemaker dictionary in briefly
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a person who helps to prevent or stop an argument, a fight, or a war.
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Answer:
Pacemaker(sino-atrial node,"SAN")
Location:-
located in the walls of the right auricles .
- The peacemaker (SAN) is present near opening of the superior vena cava while the AVN node (atrio-venticular node ) is found near the tricuspide valve.
- A bundle of muscle fibres called 'BUNDLE OF HIS' begins from AVN and extends to the inter ventricular septum.
- Bundle of HIS consists of branches of fibres running along the walls of the ventricles,called 'Purkinje fibres'.
- All these together forms a system which creats an impulse and conducts it to every part of the heart.
Note:-
Sometimes the 'peacemaker' become faulty causing heart trouble.An artificial "pace-maker" may be fixed in the heart of such a person.
- These artificial pace-makers need a large amount of money .
- All also need mentanance .
English meaning of Pacemaker
- a person who is kind and good enough to provide peace and calm.
hope its helpfull....
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