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Pariza Mahajan from cambridge innovative school, Jalandhar
Subject :IGK    Class : Class 4


Which of the following is an artificial device used to regulate heartbeat?

AStethoscope
BElectrocardiograph
CPacemaker
DUltrasound machine


Ans 1:

PRAANVI SINGH from DELHI PUBLIC SCHOOL , Singrauli
Class : Class 4
Answer C Because pacemaker is used to regulate the heartbeat. It is like a ring .

Ans 2:

JULFIKAR CHOWDHURY from Apeejay Nerul, mumbai
Class : Class 8

Ans 3: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
The correct answer is C.

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