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BiologyCLASS 11CBSE
answered 2 Jun 2026

What are the components of an ECG and their significance?

A.VERIFIED ANSWERfact-checked by tutors

P wave (atrial depolarization), QRS complex (ventricular depolarization), T wave (ventricular repolarization), PR interval, QRS duration, ST segment, and QT interval; used to assess heart function.

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BIOLOGY · CLASS 11