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STD 11 - 15. Body fluids and criculations — BIOLOGY STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceBIOLOGYSTD 11 - 15. Body fluids and criculations1 Mark
MCQ
$ECG$ records
  • A
    Electric current of the body
  • ✓
    Potential differences
  • C
    Pulse rate
  • D
    Quantity of blood pumped per minute
✓

Answer

Correct option: B.
Potential differences
b
(b) $ECG$ is the record of changes in electrical potential of heart during one beat.

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